Document large cluster workflow for operator deployment involving multiple teams

[nfnt]

What would you like to be added:
With the help of kudo install --skip-instance, only the Operator and OperatorVersion of a package can be installed. This can be used in larger cluster by cluster ops teams preparing operators for other teams. I.e., this allows a workflow where specific teams are allowed to create instances from OperatorVersions already in the cluster, giving cluster ops more control on what is being deployed on a cluster.

Why is this needed:
KUDO's support for this workflow helps in large cluster deployments managed by multiple teams with different roles.

[kensipe]

@nfnt could we get more feedback on this... it seems like a good idea in general but it also feels like it may be early. We likely need details around rbac and security to support this. thoughts?