Moved CSI Plugin under the Persistent Storage Tab (#1230)

_data/toc.yaml

@@ -1535,8 +1535,6 @@ manuals:
         path: /ee/ucp/kubernetes/install-cni-plugin/
       - title: Kubernetes network encryption
         path: /ee/ucp/kubernetes/kubernetes-network-encryption/
-      - title: Deploy a CSI plugin
-        path: /ee/ucp/kubernetes/use-csi/
       - sectiontitle: Persistent Storage
         section:
         - title: Use NFS Storage
@@ -1549,6 +1547,8 @@ manuals:
           path: /ee/ucp/kubernetes/storage/configure-aws-storage/ 
         - title: Configure iSCSI
           path: /ee/ucp/kubernetes/storage/use-iscsi/
+        - title: Deploy a CSI plugin
+          path: /ee/ucp/kubernetes/storage/use-csi/
       - sectiontitle: Cluster Ingress
         section:
         - title: Overview