Adding copyright header (#144)

Summary:
Pull Request resolved: #144

Adding copyright header

Reviewed By: d4l3k

Differential Revision: D39105437

fbshipit-source-id: 6eeace4b3c1dfd3d59d2a956ee6bf041d22f14f5

Author: kurman

scripts/runtime_debugger.py

@@ -1,3 +1,10 @@
+#!/usr/bin/env python3
+# 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.
+
 import lldb  # type: ignore[import]
 
 # load into lldb instance with: