fix(package): Fix path in main for library and add --copy-files in build script so that non js files

Author: ad1992

package.json

@@ -2,7 +2,7 @@
   "name": "react-tag-input",
   "version": "0.0.0-semantically-released",
   "description": "React tags is a fantastically simple tagging component for your React projects",
-  "main": "dist-modules/ReactTags.js",
+  "main": "dist-modules/components/ReactTags.js",
   "files": [
     "dist-modules",
     "dist"
@@ -13,7 +13,7 @@
     "test:watch": "jest --watch --notify --coverage",
     "start": "webpack-dev-server --config webpack-dev-server.config.js --progress --inline --colors",
     "format": "prettier  --write src/*.js __tests__/*.js",
-    "build": "webpack --config webpack-production.config.js --progress --colors && babel src --out-dir dist-modules",
+    "build": "webpack --config webpack-production.config.js --progress --colors && babel src --out-dir dist-modules --copy-files",
     "precommit": "./set_up_hooks.sh",
     "semantic-release": "semantic-release",
     "commit": "git-cz"