Add `gkc` = `gitk` for a specific commit
Add `gkc` = `gitk` for a specific commit

E.g. `gkc v1.0` opens `gitk --all`, but jumps to the `v1.0` tag

benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles,benizi/dotfiles