message: add BundleAnalyzerPlugin
diff: @@ -3,6 +3,7 @@ import config from 'app-config'
  import CopyWebpackPlugin from 'copy-webpack-plugin'
  import TerserPlugin from 'terser-webpack-plugin-legacy'
  import externalConfig from './externalConfig'
  +import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer'
  export default (webpackConfig) => {
  @@ -29,6 +30,14 @@ export default (webpackConfig) => {
  }
  webpackConfig.plugins.push(
  + new BundleAnalyzerPlugin({
  + analyzerMode: 'static',
  + reportFilename: webpackConfig.output.path,
  + // analyzerMode: 'server',
  + // analyzerHost: '127.0.0.1',
  + // analyzerPort: '8888',
  + // openAnalyzer: false, // do not auto open in browser
  + }),
  new webpack.SourceMapDevToolPlugin({
  filename: '[name].js.map',
  exclude: ['vendor.js']
  