Change webpack configuration for library

Author: shamin

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-fullscreen-loading",
-  "version": "0.0.2",
+  "version": "0.0.4",
   "description": "Minimal fullscreen loading for React",
   "main": "dist/loading.js",
   "scripts": {

webpack.config.js

@@ -21,7 +21,9 @@ module.exports = {
   output: {
     path: `${__dirname}/dist`,
     publicPath: '/',
-    filename: 'bundle.js'
+    filename: 'loading.js',
+    libraryTarget: 'umd',
+    library: 'Loading'
   }
 }