add helmrepo.yaml for clusters/app

clusters/app/helmrepo.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1beta2
+kind: HelmRepository
+metadata:
+  name: stable
+  namespace: monitoring
+spec:
+  interval: 1m
+  url: https://charts.onwalk.net/

clusters/app/kustomization.yaml

@@ -2,5 +2,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: kube-system
 resources:
-  - ../../repo/helm
+  - helmrepo.yaml
   - observability-agent.yaml