文章
https://lq782655835.github.io/blogs/project/webpack4-3.x-to-4.html
https://juejin.cn/post/6844903876810768398
脚手架已经放至一个单独的webpack-cli中
Vue-loader 从V14迁移
https://vue-loader.vuejs.org/zh/migrating.html#%E6%A8%A1%E6%9D%BF%E9%A2%84%E5%A4%84%E7%90%86