Add headers to Elixir files.

Author: potatosalad

apps/erldist_filter/lib/edf.ex

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# Copyright (c) WhatsApp LLC
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE.md file in the root directory of this source tree.
+
 defmodule EDF do
   require Record
 

apps/erldist_filter/lib/edf/record_extractor.ex

@@ -1,3 +1,9 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# Copyright (c) WhatsApp LLC
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE.md file in the root directory of this source tree.
+
 defmodule EDF.RecordExtractor do
   @moduledoc false