Draft: Change patcher signature and add PLS patcher

This MR changes the signature of our Patcher as follows: As argument, patchers now take a list of KuberneteResources and modify all the specified resources. Patchers now return a list of KubernetesResources without modifying the originals.

Additionally, this MR adds patchers to replicate a PLS deployment.

At the moment, there is an open point:

• How to clone objects from type custom resources? The problem is that we do not know the generic type CustomResource<*,*>.