Try copying types into root folder during prepare script

Author: Joel Poloney

package.json

@@ -4,7 +4,6 @@
   "description": "react-image-annotation React component",
   "author": "Arian Allenson Valdez <[email protected]> (http://arianv.com/)",
   "main": "lib/index.js",
-  "types": "src/types/index.d.ts",
   "module": "es/index.js",
   "files": [
     "css",
@@ -13,7 +12,7 @@
     "umd"
   ],
   "scripts": {
-    "prepare": "nwb build-react-component",
+    "prepare": "nwb build-react-component && cp src/types/index.d.ts index.d.ts",
     "build": "nwb build-react-component",
     "deploy": "gh-pages -d demo/dist",
     "clean": "nwb clean-module && nwb clean-demo",