(https://pjchender.blogspot.tw/2017/02/mac-terminal-iterm-2-oh-my-zsh.html)
(http://oomusou.io/macos/iterm2-setup/)
(https://medium.com/statementdog-engineering/prettify-your-zsh-command-line-prompt-3ca2acc967f)
(https://github.com/caiogondim/bullet-train.zsh)
(https://stackoverflow.com/questions/48341920/git-branch-command-behaves-like-less)