git clone https://github.com/mshick/dotfiles.git .dotfiles && cd $_
./install
This will symlink the appropriate files in .dotfiles
to your home directory.
You can set local, non-version-controlled variables in your ~/.zprofile
file.
I forked Zach Holman's dotfiles. Check his repo out for more information on topical organization and the structure of these files.