webflo/drush_zsh_completion — pull request #3 by unixorn (2014-11-23 17:50:53+00:00)
Title: Add antigen instructions

When I added drush_zsh_completion to the [awesome-zsh-plugins](https://github.com/unixorn/awesome-zsh-plugins) list, I noticed there weren't instructions for antigen users, so here's a PR.