switch ocis to nfs-provisioner

apps/files/kustomization.yaml

@@ -0,0 +1,16 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: 
+  - namespace.yaml
+  - ingress.yaml
+  - service.yaml
+  - pvc.yaml
+  - deployment.yaml
+  - ocis-config.sealedsecret.yaml
+
+namespace: files
+
+images:
+  - name: ocis
+    newName: owncloud/ocis
+    newTag: "5.0"