refactor - file naming conversion

kubernetes/rpi5-cluster/infrastructure/kustomization.yaml

@@ -1,5 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - repositories/ks.yaml
-  - secrets/ks.yaml
+  - repositories/repositories.yaml
+  - secrets/secrets.yaml

kubernetes/rpi5-cluster/infrastructure/repositories/podinfo.yaml

@@ -0,0 +1,11 @@
+---
+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