updated Sitewise Java file

Author: scmacdon

javav2/example_code/iotsitewise/src/main/java/com/example/iotsitewise/scenario/CloudFormationHelper.java

@@ -1,3 +1,6 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+
 package com.example.iotsitewise.scenario;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;