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

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"