REFACTOR(storage): storage repo structure

- Add application.yaml for ArgoCD app-of-apps
- Add kustomization.yaml with storage components
- Add renovate.json for automated updates
- Update all component argocd.yaml repoURLs to storage repo

Components: longhorn, minio, postgresql, postgresql-dev, pgweb, cnpg,
velero

pgweb/argocd.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   project: default
   sources:
-  - repoURL: https://github.com/K3S-HOME/databases.git
+  - repoURL: https://github.com/K3S-HOME/storage.git
     targetRevision: main
     path: pgweb
   destination: