REFACTOR(repo): restructure monitoring folder

- and add namespace resou...
- Remove argocd/, helm-values/, ingress/ subdirectories
- Move files to parent directory (argocd.yaml, helm-values.yaml,
  ingress.yaml)
- Update helm valueFiles paths in ArgoCD Applications
- Add namespace.yaml to all applications with Goldilocks labels
- Update destination namespaces to match folder names
- Update kustomization.yaml files to reference new structure

grafana/argocd.yaml

@@ -15,7 +15,7 @@ spec:
       targetRevision: 10.3.0
       helm:
         valueFiles:
-          - $values/grafana/helm-values/grafana.yaml
+          - $values/grafana/helm-values.yaml
     # Values file from Git repository
     - repoURL: https://gitea0213.kro.kr/bluemayne/monitoring.git
       targetRevision: main
@@ -27,7 +27,7 @@ spec:
 
   destination:
     server: https://kubernetes.default.svc
-    namespace: monitoring
+    namespace: grafana
 
   syncPolicy:
     automated:

grafana/kustomization.yaml

@@ -2,7 +2,9 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
-  # - argocd/grafana.yaml
+  # ArgoCD Application 리소스는 monitoring/kustomization.yaml에서 관리
+  # - argocd.yaml
+
+  - namespace.yaml
   - vault/grafana-admin-password.yaml
   - ingress.yaml

grafana/namespace.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: grafana
+  labels:
+    goldilocks.fairwinds.com/enabled: "true"