✨ Add helm charts for CSO

[jschoone]

What this PR does / why we need it:

Adds sources for Helm Charts for CSO and CSPO
Fixes #

Special notes for your reviewer:

Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

TODOs:

• squash commits
• include documentation
• add unit tests

[jschoone]

Converted back to draft since the charts could better be moved to the specific repositories.

[jschoone]

I reaweake this PR since we can need this for CSO installation.
CSPO can probably be dropped

[jschoone]

values.yaml to allow CSO to create ORC images:

controllerManager:
  rbac:
    additionalRules:
      - apiGroups:
          - "openstack.k-orc.cloud"
        resources:
          - "images"
        verbs:
          - create
          - delete
          - get
          - list
          - patch
          - update
          - watch

[jschoone]

Moved to SovereignCloudStack/cluster-stack-operator#282