Add auto deploy quick start for GitLab on k8s
The new Auto Deploy guide covers setting up a k8s cluster for use with GitLab.com, but we also support Auto Deploy when GitLab itself is running on a k8s cluster. We should make sure that is covered. It's a simpler flow, but should be explicit.
Related: https://about.gitlab.com/handbook/product/i2p-demo/
Edited by Mark Pundsack