Basic boilerplate for react projects

• eslint
• webpack
  • loader
    • babel loader
      • @babel/preset-react
      • @babel/preset-env
    • file loader
    • postcss loader
  • plugin
    • HtmlWebpackPlugin
    • CleanWebpackPlugin
  • recognize .jsx file extension
    • babel loader
    • resolve.extensions
  • hot reload
    • webpack-dev-server
    • webpack-dev-middleware + webpack-hot-middleware
      • with an express server
  • run offline(PWA)
    • app serves online
      • http-server
    • app can function when offline
      • Workbox
        • create service worker
        • register service worker
        • runtime catching