Move react and react-dom to peerDependencies (#341)

* Move react and react-dom to peerDependencies

* Remove react and react-dom from dependencies

* Remove comma

package.json

@@ -49,8 +49,6 @@
   },
   "dependencies": {
     "prop-types": "^15.5.10",
-    "react": "^16.6.3",
-    "react-dom": "^16.6.3",
     "react-lifecycles-compat": "^3.0.4",
     "react-style-proptype": "^3.0.0"
   },
@@ -80,10 +78,16 @@
     "mochify-istanbul": "^2.4.2",
     "prettier": "1.15.3",
     "pretty-quick": "^1.8.0",
+    "react": "^16.6.3",
+    "react-dom": "^16.6.3",
     "rimraf": "^2.6.2",
     "rollup": "^0.60.7",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.3",
     "rollup-plugin-node-resolve": "^3.3.0"
+  },
+  "peerDependencies": {
+    "react": "^16.0.0-0",
+    "react-dom": "^16.0.0-0"
   }
 }