message: package: show progress in webpack
diff: },
  "scripts": {
  "prerelease": "rimraf artifacts/*",
  - "start": "cross-env NODE_ENV=dev webpack --hide-modules --watch --env.browser",
  - "build": "cross-env NODE_ENV=dev webpack --hide-modules --env.browser",
  - "build:prod": "cross-env NODE_ENV=prod webpack --hide-modules --env.browser",
  + "start": "cross-env NODE_ENV=dev webpack --progress --hide-modules --watch --env.browser",
  + "build": "cross-env NODE_ENV=dev webpack --progress --hide-modules --env.browser",
  + "build:prod": "cross-env NODE_ENV=prod webpack --progress --hide-modules --env.browser",
  "run:firefox": "web-ext run -s dist",
  "lint": "eslint {src,tools,config}/**/*.js webpack.config.js && stylelint src/**/*.css",
  "test": "npm run lint",
  