Updated the title of a built page

Author: alajfit

src/engine/webpack.config.js

@@ -84,7 +84,7 @@ module.exports = opts => {
 
  plugins: [
  new HtmlWebpackPlugin({
- title: 'vue-run',
+ title: opts.componentName,
  favicon: path.resolve(__dirname, '../../docs/assets/vue.png')
  }),
  new VueLoaderPlugin(),