create kustomizations for every policy group

Placeholder xyhhxrequested to merge
github/fork/xyhhx/main into main

Related Issue(s)

N/A

Description

Provide the policy groups as kustomizations, like the pod security ones already are for example.

I opted to also add jsonSchema comments for yaml-language-server users, too

Checklist

  • [] I have read the policy contribution guidelines.
  • [] I have added test manifests and resources covering both positive and negative tests that prove this policy works as intended.
  • [] I have added the artifacthub-pkg.yml file and have verified it is complete and correct.

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