Autocompletion instructions for zsh

[agarrharr]

I had a little trouble getting autocompletion going until I found this: https://wiki.archlinux.org/index.php/Zsh

You might want to add instructions that first you have to add these lines to your .zshrc to enable autocompletion:

autoload -U compinit compinit

[categulario]

already part of the readme, closing