Add Kubernetes operator installation and uninstallation docs and updated OpenShift docs
What does this MR do?
- Adds Kubernetes operator installation and uninstallation instructions
- Adds OpenShift uninstallation instructions
- Small updates for OpenShift operator docs
- Restructuring
Why was this MR needed?
What's the best way to test this MR?
What are the relevant issue numbers?
Related to gitlab-org/gl-openshift/gitlab-runner-operator!97 (merged)