feat: add myvolume PVC for Bananaspliff charts compatibility

- Create myvolume PVC required by Bananaspliff Radarr/Sonarr charts
- Uses nfs-client storage class with 450Gi capacity
- Enables Radarr and Sonarr pods to schedule and run successfully
- Maintains compatibility with existing Bananaspliff chart structure

myvolume-pvc.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: myvolume
+  namespace: default
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 450Gi
+  storageClassName: nfs-client