FEAT(goldilocks): add goldilocks labels to applica

- Add namespace.yaml with goldilocks.fairwinds.com/enabled label
- Enable VPA recommendations for all applications
- Update kustomization.yaml to include namespace resources
- Fix namespace names to match actual usage (umami -> analytics)

homer/kustomization.yaml

@@ -4,6 +4,10 @@ kind: Kustomization
 resources:
   # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
   # - argocd/homer.yaml
+
+  # Namespace with Goldilocks label
+  - namespace.yaml
+
   - homer.yaml
 
 # ConfigMap 생성: config.yml만 포함 (assets는 InitContainer에서 Git에서 복사)