Update webpack config

Author: coderitual

webpack.config.js

@@ -29,7 +29,7 @@ module.exports = {
   ],
   devtool: 'cheap-module-source-map',
   output: {
-    filename: '[name].js',
+    filename: '[name].[hash].js',
     path: path.resolve(__dirname, 'dist')
   }
 }