Update job.sbatch (#268)

update header..

Author: jspisak

launcher/job.sbatch

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
 #!/bin/bash
 #SBATCH --job-name=forge
 #SBATCH --output=slogs/forge.out