compile assets with hash after filename #125 (#126)

webpack.config.js

@@ -35,6 +35,14 @@ Encore
     .enableSassLoader(function(sassOptions) {}, {
         resolveUrlLoader: false
     })
+
+    // add hash after file name
+    .configureFilenames({
+        js: '[name].js?[chunkhash]',
+        css: '[name].css?[contenthash]',
+        images: 'images/[name].[ext]?[hash:8]',
+        fonts: 'fonts/[name].[ext]?[hash:8]'
+    })
 ;
 
 module.exports = Encore.getWebpackConfig();