Add license information to files in matrix-synapse/tasks/synapse

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix-synapse/tasks/synapse/workers/util/inject_worker.yml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2022 - 2023 Slavi Pantaleev
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 # The tasks below run before `validate_config.yml`.
 # To avoid failing with a cryptic error message, we'll do validation here.

roles/custom/matrix-synapse/tasks/synapse/workers/util/setup_files_for_worker.yml

@@ -1,3 +1,9 @@
+# SPDX-FileCopyrightText: 2021 - 2024 Slavi Pantaleev
+# SPDX-FileCopyrightText: 2022 Marko Weltzer
+# SPDX-FileCopyrightText: 2024 Michael Hollister
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - ansible.builtin.set_fact: