feat: add nats platform kustomization

clusters/atlas/flux-system/platform/nats/kustomization.yaml

@@ -0,0 +1,21 @@
+# clusters/atlas/flux-system/platform/nats/kustomization.yaml
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: nats
+  namespace: flux-system
+spec:
+  interval: 10m
+  path: ./infrastructure/nats
+  prune: true
+  force: true
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  targetNamespace: nats
+  healthChecks:
+    - apiVersion: apps/v1
+      kind: StatefulSet
+      name: nats
+      namespace: nats
+  wait: true