refactor - file naming conversion

kubernetes/rpi5-cluster/apps/cert-manager/kustomization.yaml

@@ -1,4 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - ks.yaml
+  - cert-manager.yaml

kubernetes/rpi5-cluster/apps/cilium/kustomization.yaml

@@ -1,4 +1,4 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - ks.yaml
+  - cilium.yaml

kubernetes/rpi5-cluster/apps/podinfo/kustomization.yaml

@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - podinfo.yaml

kubernetes/rpi5-cluster/apps/podinfo/podinfo-source.yaml

@@ -1,11 +0,0 @@
----
-apiVersion: source.toolkit.fluxcd.io/v1
-kind: GitRepository
-metadata:
-  name: podinfo
-  namespace: flux-system
-spec:
-  interval: 1m0s
-  ref:
-    branch: master
-  url: https://github.com/stefanprodan/podinfo