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

loki/argocd.yaml

@@ -11,13 +11,13 @@ spec:
       targetRevision: 6.24.0
       helm:
         valueFiles:
-          - $values/loki/helm-values/loki.yaml
+          - $values/loki/helm-values.yaml
     - repoURL: https://gitea0213.kro.kr/bluemayne/monitoring.git
       targetRevision: HEAD
       ref: values
   destination:
     server: https://kubernetes.default.svc
-    namespace: logging
+    namespace: loki
   syncPolicy:
     automated:
       prune: true

loki/kustomization.yaml

@@ -2,5 +2,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 resources:
-  # ArgoCD Application 리소스는 infrastructure/kustomization.yaml에서 관리
-  # - argocd/loki.yaml
+  # ArgoCD Application 리소스는 monitoring/kustomization.yaml에서 관리
+  # - argocd.yaml
+
+  - namespace.yaml

loki/namespace.yaml

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