Merge pull request #3000 from bigtiger/add-git-add-patch

Add gap (git add --patch)

plugins/git/git.plugin.zsh

@@ -73,6 +73,7 @@ alias gss='git status -s'
 compdef _git gss=git-status
 alias ga='git add'
 compdef _git ga=git-add
+alias gap='git add --patch'
 alias gm='git merge'
 compdef _git gm=git-merge
 alias grh='git reset HEAD'