Put blacklist_public_users in cft scorecard bundle

samples/storage_blacklist_public.yaml

@@ -1,9 +1,24 @@
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 apiVersion: constraints.gatekeeper.sh/v1alpha1
 kind: GCPStorageBucketWorldReadableConstraintV1
 metadata:
   name: blacklist_public_users
   annotations:
     description: Prevent public users from having access to resources via IAM
+    bundles.validator.forsetisecurity.org/scorecard-v1: security
 spec:
   severity: high
   match: