* helm-chart: allow configmaps instead of endpoints if leader elections uses the configmaps method
* helm-chart: allow endpoints get even if config maps are used
* helm-chart: allow configmaps instead of endpoints on the operator role too.
Co-authored-by: Enno Boland <mail@eboland.de>
* define postgres-pod clusterrole and align rbac in chart
* align UI chart rbac with operator and update doc
* operator RBAC needs podsecuritypolicy to grant it to postgres-pod