Install MCS SIG CRDs and roles

This installs the `multicluster.x-k8s.io` CRDs and roles for them

Fixes:submariner-io/lighthouse#336

Signed-off-by: Vishal Thapar <5137689+vthapar@users.noreply.github.com>

submariner/templates/rbac.yaml

@@ -129,6 +129,9 @@ rules:
   - apiGroups: ["submariner.io"]
     resources: ["gateways"]
     verbs: ["get", "list", "watch"]
+  - apiGroups: ["multicluster.x-k8s.io"]
+    resources: ["*"]
+    verbs: ["create", "get", "list", "watch", "update", "delete"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding