"Hey guys" is a common salutation, but it's not gender neutral. People who aren't men can feel excluded when addressed as "guys," even if that is not the intent.
Instead of using "hey guys," consider one of these several alternatives:
Fork this repo.
Clone to your local machine.
bundle exec jekyll serve
sentenc.es for the idea for this site.
Please feel free to suggest an enhancement or improvement by filing an issue. All contributors must adhere to our code of conduct.