deploy: rbd kubernetes manifests

add ability to deploy ceph-csi-rbd on non-default namespace

Signed-off-by: rtsp <git@rtsp.us>

deploy/rbd/kubernetes/csi-provisioner-rbac.yaml

@@ -3,6 +3,8 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: rbd-csi-provisioner
+  # replace with non-default namespace name
+  namespace: default
 
 ---
 kind: ClusterRole
@@ -66,6 +68,7 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: rbd-csi-provisioner
+    # replace with non-default namespace name
     namespace: default
 roleRef:
   kind: ClusterRole