message: Remove "Download the React DevTools for a better development experience" message
  Changelog-entry: Remove "Download the React DevTools for a better development experience" message
  Change-type: patch
diff: import * as _ from 'lodash';
  import * as path from 'path';
  import * as SimpleProgressWebpackPlugin from 'simple-progress-webpack-plugin';
  +import { BannerPlugin } from 'webpack';
  import * as nodeExternals from 'webpack-node-externals';
  /**
  @@ -84,6 +85,14 @@ const guiConfig = {
  gui: path.join(__dirname, 'lib', 'gui', 'app', 'app.ts'),
  },
  devtool: 'source-map',
  + plugins: [
  + ...commonConfig.plugins,
  + // Remove "Download the React DevTools for a better development experience" message
  + new BannerPlugin({
  + banner: '__REACT_DEVTOOLS_GLOBAL_HOOK__ = { isDisabled: true };',
  + raw: true,
  + }),
  + ],
  };
  const etcherConfig = {
  