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-k8s-broker/templates/rbac.yaml

@@ -18,6 +18,9 @@ rules:
 - apiGroups: ["discovery.k8s.io"]
   resources: ["endpointslices"]
   verbs: ["create", "get", "list", "watch","patch", "update", "delete"]
+- apiGroups: ["multicluster.x-k8s.io"]
+  resources: ["*"]
+  verbs: ["create", "get", "list", "watch", "update", "delete"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: RoleBinding