create ~/.zshenv that inits zsh from this repo:
echo 'ZDOTDIR=~/sites/dotfiles' > ~/.zshenv
create ~/.gitconfig that links to the one in this repo:
[include]
path= ~/sites/dotfiles/.gitconfig
Any following information will overwrite data in ~/sites/dotfiles/.gitconfig - useful for adding work email / work git info.
Confirm settings have been overwritten with git config user.name etc.