一个可以替代npm的yarn

yarn默认使用facebook的registry，国内是被墙的，经测试yarn可以直接使用npm的registry，所以直接换上淘宝的源即可

yarn config set registry 'https://registry.npm.taobao.org'

npm	Yarn
`npm install`	`yarn install`
*(N/A)*	`yarn install --flat`
*(N/A)*	`yarn install --har`
*(N/A)*	`yarn install --no-lockfile`
*(N/A)*	`yarn install --pure-lockfile`
`npm install [package]`	*(N/A)*
`npm install --save [package]`	`yarn add [package]`
`npm install --save-dev [package]`	`yarn add [package] [--dev/-D]`
*(N/A)*	`yarn add [package] [--peer/-P]`
`npm install --save-optional [package]`	`yarn add [package] [--optional/-O]`
`npm install --save-exact [package]`	`yarn add [package] [--exact/-E]`
*(N/A)*	`yarn add [package] [--tilde/-T]`
`npm install --global [package]`	`yarn global add [package]`
`npm rebuild`	`yarn install --force`
`npm uninstall [package]`	*(N/A)*
`npm uninstall --save [package]`	`yarn remove [package]`
`npm uninstall --save-dev [package]`	`yarn remove [package]`
`npm uninstall --save-optional [package]`	`yarn remove [package]`
`npm cache clean`	`yarn cache clean`
`rm -rf node_modules && npm install`	`yarn upgrade`