diff --git a/package.json b/package.json
index 69c7ef0..5b6d0bb 100644
--- a/package.json
+++ b/package.json
@@ -24,5 +24,11 @@
     "gitbook-plugin-folding-menu": "^1.0.1",
     "gitbook-plugin-insert-logo": "^0.1.5",
     "push-dir": "^0.4.1"
+  },
+  "resolutions": {
+    "**/graceful-fs": "^4.2.4"
+  },
+  "engines": {
+    "node": "10.x.x"
   }
-}
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index c0bb247..42230db 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -42,10 +42,10 @@ ajv@^4.9.1:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
-ajv@^6.5.5:
-  version "6.12.2"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.2.tgz#c629c5eced17baf314437918d2da88c99d5958cd"
-  integrity sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==
+ajv@^6.12.3:
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
   dependencies:
     fast-deep-equal "^3.1.1"
     fast-json-stable-stringify "^2.0.0"
@@ -226,9 +226,9 @@ aws-sign2@~0.7.0:
   integrity sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=
 
 aws4@^1.2.1, aws4@^1.8.0:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.9.1.tgz#7e33d8f7d449b3f673cd72deb9abdc552dbe528e"
-  integrity sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
+  integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
 
 babel-runtime@^6.9.2:
   version "6.26.0"
@@ -281,9 +281,9 @@ bindings@^1.5.0:
     file-uri-to-path "1.0.0"
 
 bl@^1.0.0:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
-  integrity sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.3.tgz#1e8dd80142eac80d7158c9dccc047fb620e035e7"
+  integrity sha512-pvcNpa0UU69UT341rO6AYy4FVAIkUHuZXRIWbq+zHnsVcRzDDjIAhGuuYoi0d//cwIwtt4pkpKycWEfjdV+vww==
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -673,11 +673,11 @@ config-chain@~1.1.10, config-chain@~1.1.11:
     proto-list "~1.2.1"
 
 configstore@^3.0.0:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.2.tgz#c6f25defaeef26df12dd33414b001fe81a543f8f"
-  integrity sha512-vtv5HtGjcYUgFrXc6Kx747B83MRRVS5R1VTEQoXvuP+kMI+if6uywV0nDGoiydJRy4yk7h9od5Og0kxx4zUXmw==
+  version "3.1.5"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.5.tgz#e9af331fadc14dabd544d3e7e76dc446a09a530f"
+  integrity sha512-nlOhI4+fdzoK5xmJ+NY+1gZK56bwEaWZr8fYuXohZ9Vkc1o3a4T/R3M+yE/w7x/ZVJ1zF8c+oaOvF0dztdUgmA==
   dependencies:
-    dot-prop "^4.1.0"
+    dot-prop "^4.2.1"
     graceful-fs "^4.1.2"
     make-dir "^1.0.0"
     unique-string "^1.0.0"
@@ -707,9 +707,9 @@ copy-descriptor@^0.1.0:
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
 core-js@^2.4.0:
-  version "2.6.11"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
-  integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -788,9 +788,9 @@ debug@^2.2.0, debug@^2.3.3:
     ms "2.0.0"
 
 debug@^3.1.0:
-  version "3.2.6"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
-  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  version "3.2.7"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.7.tgz#72580b7e9145fb39b6676f9c5e5fb100b934179a"
+  integrity sha512-CFjzYYAi4ThfiQvizrFQevTTXHtnCqWfe7x1AhgEscTz6ZbLbfoLRLPugTQyBth6f8ZERVUSyWHFD/7Wu4t1XQ==
   dependencies:
     ms "^2.1.1"
 
@@ -861,10 +861,10 @@ dezalgo@^1.0.0, dezalgo@^1.0.1, dezalgo@^1.0.2, dezalgo@~1.0.3:
     asap "^2.0.0"
     wrappy "1"
 
-dot-prop@^4.1.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.0.tgz#1f19e0c2e1aa0e32797c49799f2837ac6af69c57"
-  integrity sha512-tUMXrxlExSW6U2EXiiKGSBVdYgtV8qlHL+C10TsW4PURY/ic+eaysnSkwB4kA/mBlCyy/IKDJ+Lc3wbWeaXtuQ==
+dot-prop@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.1.tgz#45884194a71fc2cda71cbb4bceb3a4dd2f433ba4"
+  integrity sha512-l0p4+mIuJIua0mhxGoh4a+iNL9bmeK5DvnSVQa6T0OhrVmaEa1XScX5Etc673FePCJOArq/4Pa2cLGODUWTPOQ==
   dependencies:
     is-obj "^1.0.0"
 
@@ -874,9 +874,9 @@ duplexer3@^0.1.4:
   integrity sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=
 
 duplexer@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
-  integrity sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.2.tgz#3abe43aef3835f8ae077d136ddce0f276b0400e6"
+  integrity sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==
 
 duplexify@^3.4.2, duplexify@^3.6.0:
   version "3.7.1"
@@ -902,11 +902,11 @@ editor@~1.0.0:
   integrity sha1-YMf4e9YrzGqJT6jM1q+3gjok90I=
 
 encoding@^0.1.11:
-  version "0.1.12"
-  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
-  integrity sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=
+  version "0.1.13"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.13.tgz#56574afdd791f54a8e9b2785c0582a2d26210fa9"
+  integrity sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==
   dependencies:
-    iconv-lite "~0.4.13"
+    iconv-lite "^0.6.2"
 
 end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.4"
@@ -921,9 +921,9 @@ err-code@^1.0.0:
   integrity sha1-BuARbTAo9q70gGhJ6w6mp0iuaWA=
 
 "errno@>=0.1.1 <0.2.0-0":
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
-  integrity sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.8.tgz#8bb3e9c7d463be4976ff888f76b4809ebc2e811f"
+  integrity sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==
   dependencies:
     prr "~1.0.1"
 
@@ -1036,9 +1036,9 @@ extsprintf@^1.2.0:
   integrity sha1-4mifjzVvrWLMplo6kcXfX5VRaS8=
 
 fast-deep-equal@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz#545145077c501491e33b15ec408c294376e94ae4"
-  integrity sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
 
 fast-json-stable-stringify@^2.0.0:
   version "2.1.0"
@@ -1237,6 +1237,11 @@ fstream@^1.0.0, fstream@^1.0.12, fstream@~1.0.10, fstream@~1.0.11:
     mkdirp ">=0.5 0"
     rimraf "2"
 
+function-bind@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+  integrity sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==
+
 gauge@~1.2.5:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-1.2.7.tgz#e9cec5483d3d4ee0ef44b60a7d99e4935e136d93"
@@ -1413,15 +1418,10 @@ got@^6.7.1:
     unzip-response "^2.0.1"
     url-parse-lax "^1.0.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6:
-  version "4.2.4"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
-  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
-
-graceful-fs@~4.1.11, graceful-fs@~4.1.6:
-  version "4.1.15"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
-  integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.2.4, graceful-fs@~4.1.11, graceful-fs@~4.1.6:
+  version "4.2.6"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.6.tgz#ff040b2b0853b23c3d31027523706f1885d76bee"
+  integrity sha512-nTnJ528pbqxYanhpDYsi4Rd8MAeaBA67+RZ10CM1m3bTAVFEDcd5AuA4a6W5YkGZ1iNXHzZz8T6TBKLeBuNriQ==
 
 har-schema@^1.0.5:
   version "1.0.5"
@@ -1452,11 +1452,11 @@ har-validator@~4.2.1:
     har-schema "^1.0.5"
 
 har-validator@~5.1.3:
-  version "5.1.3"
-  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.3.tgz#1ef89ebd3e4996557675eed9893110dc350fa080"
-  integrity sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==
+  version "5.1.5"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.1.5.tgz#1f0803b9f8cb20c0fa13822df1ecddb36bde1efd"
+  integrity sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==
   dependencies:
-    ajv "^6.5.5"
+    ajv "^6.12.3"
     har-schema "^2.0.0"
 
 has-ansi@^2.0.0:
@@ -1512,6 +1512,13 @@ has-values@^1.0.0:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
+has@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
+  integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
+  dependencies:
+    function-bind "^1.1.1"
+
 hawk@~3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
@@ -1588,12 +1595,12 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-iconv-lite@~0.4.13:
-  version "0.4.24"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
-  integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
+iconv-lite@^0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.6.2.tgz#ce13d1875b0c3a674bd6a04b7f76b01b1b6ded01"
+  integrity sha512-2y91h5OpQlolefMPmUlivelittSWy0rP+oYVpn6A7GwVHNE8AWzoYOBNmlwks3LobaJxgHCYZAnyNo2GgpNRNQ==
   dependencies:
-    safer-buffer ">= 2.1.2 < 3"
+    safer-buffer ">= 2.1.2 < 3.0.0"
 
 iferr@^0.1.5, iferr@~0.1.5:
   version "0.1.5"
@@ -1624,9 +1631,9 @@ inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1,
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
 ini@^1.3.4, ini@~1.3.0, ini@~1.3.4:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
-  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+  version "1.3.8"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.8.tgz#a29da425b48806f34767a4efce397269af28432c"
+  integrity sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew==
 
 init-package-json@~1.10.1:
   version "1.10.3"
@@ -1694,6 +1701,13 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
+is-core-module@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/is-core-module/-/is-core-module-2.2.0.tgz#97037ef3d52224d85163f5597b2b63d9afed981a"
+  integrity sha512-XRAfAdyyY5F5cOXn7hYQDqh2Xmii+DEfIcQGxK/uNwMHhIkPWO0g8msXcbzLe+MpGoR951MlqM/2iIlU4vKDdQ==
+  dependencies:
+    has "^1.0.3"
+
 is-data-descriptor@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
@@ -1780,9 +1794,9 @@ is-my-ip-valid@^1.0.0:
   integrity sha512-gmh/eWXROncUzRnIa1Ubrt5b8ep/MGSnfAUI3aRp+sqTCs1tv1Isl8d8F6JmkN3dXKc3ehZMrtiPN9eL03NuaQ==
 
 is-my-json-valid@^2.12.4:
-  version "2.20.0"
-  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.20.0.tgz#1345a6fca3e8daefc10d0fa77067f54cedafd59a"
-  integrity sha512-XTHBZSIIxNsIsZXg7XB5l8z/OBFosl1Wao4tXLpeC7eKU4Vm/kdop2azkPqULwnfGQjmeDIyey9g7afMMtdWAA==
+  version "2.20.5"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.20.5.tgz#5eca6a8232a687f68869b7361be1612e7512e5df"
+  integrity sha512-VTPuvvGQtxvCeghwspQu1rBgjYUT6FGxPlvFKbYuFtgc4ADsX3U5ihZOYN0qyU6u+d4X9xXb0IT5O6QpXKt87A==
   dependencies:
     generate-function "^2.0.0"
     generate-object-property "^1.1.0"
@@ -1908,6 +1922,11 @@ json-parse-better-errors@^1.0.0, json-parse-better-errors@^1.0.1:
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
   integrity sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw==
 
+json-parse-even-better-errors@^2.3.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/json-parse-even-better-errors/-/json-parse-even-better-errors-2.3.1.tgz#7c47805a94319928e05777405dc12e1f7a4ee02d"
+  integrity sha512-xyFwyhro/JEof6Ghe2iz2NcXoj2sloNsWr/XsERDK/oiPCfaNhl5ONfp+jQdAZRQQ0IJWNzH9zIZF7li91kh2w==
+
 json-schema-traverse@^0.4.1:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
@@ -1948,9 +1967,9 @@ jsonparse@^1.2.0:
   integrity sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA=
 
 jsonpointer@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
-  integrity sha1-T9kss04OnbPInIYi7PUfm5eMbLk=
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.1.0.tgz#501fb89986a2389765ba09e6053299ceb4f2c2cc"
+  integrity sha512-CXcRvMyTlnR53xMcKnuMzfCA5i/nfblTnnr74CZb6C4vG39eu6w51t7nKmU5MfLfbTgGItliNyjO/ciNPDqClg==
 
 jsprim@^1.2.2:
   version "1.4.1"
@@ -2064,9 +2083,9 @@ lodash@4.17.4:
   integrity sha1-eCA6TRwyiuHYbcpkYONptX9AVa4=
 
 lodash@^4.17.14:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 lowercase-keys@^1.0.0:
   version "1.0.1"
@@ -2168,17 +2187,17 @@ micromatch@^3.1.10:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-mime-db@1.44.0:
-  version "1.44.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
-  integrity sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==
+mime-db@1.46.0:
+  version "1.46.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.46.0.tgz#6267748a7f799594de3cbc8cde91def349661cee"
+  integrity sha512-svXaP8UQRZ5K7or+ZmfNhg2xX3yKDMUzqadsSqi4NCH/KomcH75MAMYAGVlvXn4+b/xOPhS3I2uHKRUzvjY7BQ==
 
 mime-types@^2.1.11, mime-types@^2.1.12, mime-types@~2.1.19, mime-types@~2.1.7:
-  version "2.1.27"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
-  integrity sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==
+  version "2.1.29"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.29.tgz#1d4ab77da64b91f5f72489df29236563754bb1b2"
+  integrity sha512-Y/jMt/S5sR9OaqteJtslsFZKWOIIqMACsJSiHghlCAyhf7jfVYjKBmLiX8OgpWeW+fjJ2b+Az69aPFPkUOY6xQ==
   dependencies:
-    mime-db "1.44.0"
+    mime-db "1.46.0"
 
 minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4, minimatch@~3.0.3:
   version "3.0.4"
@@ -2262,9 +2281,9 @@ ms@2.0.0:
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
 ms@^2.0.0, ms@^2.1.1:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
-  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
+  integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
 mute-stream@~0.0.4:
   version "0.0.8"
@@ -2272,9 +2291,9 @@ mute-stream@~0.0.4:
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
 nan@^2.12.1:
-  version "2.14.1"
-  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
-  integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
+  version "2.14.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
+  integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -2500,9 +2519,9 @@ npm-user-validate@~0.1.5:
   integrity sha1-UkZdUMLSApSlcSW5lrrtv1bFAEs=
 
 npm-user-validate@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/npm-user-validate/-/npm-user-validate-1.0.0.tgz#8ceca0f5cea04d4e93519ef72d0557a75122e951"
-  integrity sha1-jOyg9c6gTU6TUZ73LQVXp1Ei6VE=
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/npm-user-validate/-/npm-user-validate-1.0.1.tgz#31428fc5475fe8416023f178c0ab47935ad8c561"
+  integrity sha512-uQwcd/tY+h1jnEaze6cdX/LrhWhoBxfSknxentoqmIuStxUExxjWd3ULMLFPiFUrZKbOVMowH6Jq2FRWfmhcEw==
 
 npm@5.1.0:
   version "5.1.0"
@@ -3085,16 +3104,14 @@ read-installed@~4.0.3:
     graceful-fs "^4.1.2"
 
 "read-package-json@1 || 2", read-package-json@^2.0.0:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/read-package-json/-/read-package-json-2.1.1.tgz#16aa66c59e7d4dad6288f179dd9295fd59bb98f1"
-  integrity sha512-dAiqGtVc/q5doFz6096CcnXhpYk0ZN8dEKVkGLU0CsASt8SrgF6SF7OTKAYubfvFhWaqofl+Y8HK19GR8jwW+A==
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/read-package-json/-/read-package-json-2.1.2.tgz#6992b2b66c7177259feb8eaac73c3acd28b9222a"
+  integrity sha512-D1KmuLQr6ZSJS0tW8hf3WGpRlwszJOXZ3E8Yd/DNRaM5d+1wVRZdHlpGBLAuovjr28LbWvjpWkBHMxpRGGjzNA==
   dependencies:
     glob "^7.1.1"
-    json-parse-better-errors "^1.0.1"
+    json-parse-even-better-errors "^2.3.0"
     normalize-package-data "^2.0.0"
     npm-normalize-package-bin "^1.0.0"
-  optionalDependencies:
-    graceful-fs "^4.1.2"
 
 read-package-json@~2.0.4, read-package-json@~2.0.9:
   version "2.0.13"
@@ -3338,10 +3355,11 @@ resolve-url@^0.2.1:
   integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
 
 resolve@^1.1.7, resolve@^1.10.0:
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
-  integrity sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
+  integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
   dependencies:
+    is-core-module "^2.2.0"
     path-parse "^1.0.6"
 
 ret@~0.1.10:
@@ -3399,7 +3417,7 @@ safe-regex@^1.1.0:
   dependencies:
     ret "~0.1.10"
 
-"safer-buffer@>= 2.1.2 < 3", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
+"safer-buffer@>= 2.1.2 < 3.0.0", safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
@@ -3569,9 +3587,9 @@ source-map-resolve@^0.5.0:
     urix "^0.1.0"
 
 source-map-url@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
-  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.1.tgz#0af66605a745a5a2f91cf1bbf8a7afbc283dec56"
+  integrity sha512-cPiFOTLUKvJFIg4SKVScy4ilPPW6rFgMgfuZJPNoDuMs3nC1HbMUycBoJw77xFIp6z1UJQJOfx6C9GMH80DiTw==
 
 source-map@^0.5.6:
   version "0.5.7"
@@ -3579,9 +3597,9 @@ source-map@^0.5.6:
   integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
 
 spdx-correct@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.0.tgz#fb83e504445268f154b074e218c87c003cd31df4"
-  integrity sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
+  integrity sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==
   dependencies:
     spdx-expression-parse "^3.0.0"
     spdx-license-ids "^3.0.0"
@@ -3600,9 +3618,9 @@ spdx-expression-parse@^3.0.0:
     spdx-license-ids "^3.0.0"
 
 spdx-license-ids@^3.0.0:
-  version "3.0.5"
-  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz#3694b5804567a458d3c8045842a6358632f62654"
-  integrity sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q==
+  version "3.0.7"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.7.tgz#e9c18a410e5ed7e12442a549fbd8afa767038d65"
+  integrity sha512-U+MTEOO0AiDzxwFvoa4JVnMV6mZlJKk2sBLt90s7G0Gd0Mlknc7kxEn3nuDPNZRta7O2uy8oLcZLVT+4sqNZHQ==
 
 spdx-license-ids@~1.2.2:
   version "1.2.2"
@@ -3966,9 +3984,9 @@ update-notifier@~2.2.0:
     xdg-basedir "^3.0.0"
 
 uri-js@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
-  integrity sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
   dependencies:
     punycode "^2.1.0"
 
@@ -4138,14 +4156,14 @@ xdg-basedir@^3.0.0:
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-  integrity sha1-bRX7qITAhnnA136I53WegR4H+kE=
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 y18n@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
-  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
+  integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
 
 yallist@^2.0.0, yallist@^2.1.2:
   version "2.1.2"