message: fix webpack warning
diff: @@ -54,7 +54,8 @@ module.exports = {
  },
  externals: {
  'jquery': 'jQuery',
  - 'child_process': 'child_process'
  + 'child_process': 'child_process',
  + 'webworker-threads': 'webworker-threads'
  },
  plugins: [
  new ExtractTextPlugin({
  