Add sample for new OpenStack initialization resource (#1239)

This is to work around some issues in CI where
not having this exist is causing some issues

Author: dprince

config/samples/operator_v1beta1_openstack.yaml

@@ -0,0 +1,11 @@
+apiVersion: operator.openstack.org/v1beta1
+kind: OpenStack
+metadata:
+  labels:
+    app.kubernetes.io/name: openstack
+    app.kubernetes.io/instance: openstack
+    app.kubernetes.io/part-of: openstack-operator
+    app.kubernetes.io/managed-by: kustomize
+    app.kubernetes.io/created-by: openstack-operator
+  name: openstack
+  namespace: openstack-operators