add source code and readme

manifests/applications/piefed/storage.yaml

@@ -0,0 +1,36 @@
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: piefed-app-storage
+  namespace: piefed-application
+  labels:
+    app.kubernetes.io/name: piefed
+    app.kubernetes.io/component: storage
+    # Enable S3 backup with correct Longhorn labels (daily + weekly)
+    recurring-job.longhorn.io/source: "enabled"
+    recurring-job-group.longhorn.io/longhorn-s3-backup: "enabled"
+    recurring-job-group.longhorn.io/longhorn-s3-backup-weekly: "enabled"
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: longhorn-retain
+  resources:
+    requests:
+      storage: 10Gi
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: piefed-cache-storage
+  namespace: piefed-application
+  labels:
+    app.kubernetes.io/name: piefed
+    app.kubernetes.io/component: cache
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: longhorn-retain
+  resources:
+    requests:
+      storage: 5Gi