Add rbenv-ctags gem-ctags gem-browse to ruby default gems
Add rbenv-ctags gem-ctags gem-browse to ruby default gems

And I ran shellcheck on this file to find improvements

(cherry picked from commit 44c29094af7955d09a197cec2a4228325fc4f7c1)

andxyz/.dotfiles,andxyz/.dotfiles,andxyz/.dotfiles