message: Optimize size of harp-examples dist.
  Use SplitChunksPlugin to gather common code into `common` chunk and
  space by not emitting same code in every example bundle.
diff: @@ -99,6 +99,13 @@ const browserConfig = merge(commonConfig, {
  entry: webpackEntries,
  output: {
  filename: "[name]_bundle.js"
  + },
  + optimization: {
  + splitChunks: {
  + chunks: "all",
  + minSize: 1000,
  + name: "common",
  + }
  }
  });
  @@ -118,7 +125,7 @@ browserConfig.plugins = Object.keys(browserConfig.entry).map(
  chunk =>
  new HtmlWebpackPlugin({
  template: "template/example.html",
  - chunks: ["common_chunks", chunk],
  + chunks: ["common", chunk],
  filename: `${chunk}.html`
  })
  );
  