Add extension .sql to application/sql

closes #272

Author: mulukenrock

HISTORY.md

@@ -1,6 +1,7 @@
 unreleased
 ==========
 
+  * Add extension `.sql` to `application/sql`
   * Add extensions `.aac` and `.adts` to `audio/aac`
   * Add extensions `.js` and `.mjs` to `text/javascript`
   * Add extensions from IANA for more MIME types

db.json

@@ -1637,7 +1637,8 @@
     "compressible": true
   },
   "application/sql": {
-    "source": "iana"
+    "source": "iana",
+    "extensions": ["sql"]
   },
   "application/srgs": {
     "source": "iana",

src/custom-types.json

@@ -176,6 +176,12 @@
       "https://www.iana.org/assignments/media-types/application/sieve"
     ]
   },
+  "application/sql": {
+    "extensions": ["sql"],
+    "sources": [
+      "https://www.iana.org/assignments/media-types/application/sql"
+    ]
+  },
   "application/tar": {
     "compressible": true
   },