Modify load logic to add all external css and less into a single file

Author: PeachScript

app/templates/_webpack.config.js

@@ -40,6 +40,14 @@ module.exports = {
         test: /\.html$/,
         loader: 'vue-html'
       },
+      {
+        test: /\.css$/,
+        loader: ExtractTextPlugin.extract('style!css')
+      },
+      {
+        test: /\.less$/,
+        loader: ExtractTextPlugin.extract('style!css!less')
+      },
       {
         test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
         loader: 'url',