fix: Split CNP operator from CNP cluster to fix CRD dependency

- Move CNP operator HelmRelease to cnpg-operator folder
- Create addon-cnpg-operator kustomization (deploys operator first)
- Update addon-cnpg to dependOn addon-cnpg-operator
- Add addon-cnpg as dependency for addon-rancher (needs database)

infrastructure/addons/kustomization-cnpg-operator.yaml

@@ -0,0 +1,15 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: addon-cnpg-operator
+  namespace: flux-system
+spec:
+  interval: 10m
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: platform
+  path: ./infrastructure/addons/cnpg-operator
+  wait: true
+  timeout: 10m
+  suspend: false