Fix missing license warnings.

Summary: The original PR was missing this license in several new files. Stack this on top to fix the lint issues.

Reviewed By: kinto0

Differential Revision: D94951779

fbshipit-source-id: 20ef605327d50b65084004ac224424eb253898c3

Author: jvansch1

pyrefly/lib/test/lsp/lsp_interaction/test_files/safe_delete_file/consumer.py

@@ -1,3 +1,8 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
 import target
 
 target.target()

pyrefly/lib/test/lsp/lsp_interaction/test_files/safe_delete_file/target.py

@@ -1,2 +1,8 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+
 def target():
     return 1

pyrefly/lib/test/lsp/lsp_interaction/test_files/safe_delete_file/unused.py

@@ -1,2 +1,8 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+
 def foo():
     return 1