added my zshrc from oh-my-zsh
Squashed 'oh-my-zsh/' content from commit bd87d7a

git-subtree-dir: oh-my-zsh
git-subtree-split: bd87d7a0ec5406efbb00e39195c978793fc59d97
Merge commit '7cf37f5a3b4d6aaa6764ca25f87a6de054e80d6c' as 'oh-my-zsh'