Squashed 'zsh/.oh-my-zsh/' content from commit a38af27

git-subtree-dir: zsh/.oh-my-zsh
git-subtree-split: a38af27991d15d14ac4ca55c919bb694d7eafb7a
Merge commit '4ebb2aa85806dedd8513e05f49c5aa26c39c0225' as 'zsh/.oh-my-zsh'
Added .zshrc
Added gitconfig
Added custom ZSH aliases and functions.