yarn: add yd as yarn dev alias (#7663)

plugins/yarn/README.md

@@ -19,6 +19,7 @@ plugins=(... yarn)
 | yap   | `yarn add --peer`                         | Install a package in peerDependencies (`package.json`)      |
 | yb    | `yarn build`                              | Run the build script defined in `package.json`              |
 | ycc   | `yarn cache clean`                        | Clean yarn's global cache of packages                       |
+| yd    | `yarn dev`                                | Run the dev script defined in `package.json`                |
 | yga   | `yarn global add`                         | Install packages globally on your operating system          |
 | ygls  | `yarn global list`                        | Lists global installed packages                             |
 | ygrm  | `yarn global remove`                      | Remove global installed packages from your OS               |

plugins/yarn/yarn.plugin.zsh

@@ -4,6 +4,7 @@ alias yad="yarn add --dev"
 alias yap="yarn add --peer"
 alias yb="yarn build"
 alias ycc="yarn cache clean"
+alias yd="yarn dev"
 alias yga="yarn global add"
 alias ygls="yarn global list"
 alias ygrm="yarn global remove"