updated webpack config

Author: samvloeberghs

config/webpack.common.js

@@ -232,7 +232,7 @@ module.exports = {
     // See: https://github.com/ampedandwired/html-webpack-plugin
     new HtmlWebpackPlugin({
       template: 'src/index.html',
-      chunksSortMode: 'none',
+      chunksSortMode: helpers.packageSort(['polyfills', 'vendor', 'main'])
     }),
 
     new webpack.ProvidePlugin({