npm、yarn常用命令记录，后续会陆续补充...
经过使用发现yarn再下包是速度快，所以日常以yarn指令应用为主
npm查看仓库地址：npm config get registry
npm设置淘宝镜像：npm config set registry http://registry.npm.taobao.org/
npm还原仓库地址：npm config set registry https://registry.npmjs.org/
yarn查看仓库地址：yarn config get registry
yarn设置淘宝镜像：yarn config set registry http://registry.npm.taobao.org/
yarn还原仓库地址：yarn config set registry https://registry.yarnpkg.com
常用命令记录：
启动：yarn start
自定义端口启动：set port=xxxx & yarn start
安装所有依赖包：yarn install
安装指定依赖包：yarn add xxxx
移除指定依赖包：yarn remove xxxx
安装指定版本依赖包：yarn add xxxx@1.1
打包：yarn run build