Add license information to files for matrix-bot-matrix-registration-bot

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

roles/custom/matrix-bot-matrix-registration-bot/tasks/clean_cache.yml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2023 Julian-Samuel Gebühr
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Delete cache files

roles/custom/matrix-bot-matrix-registration-bot/tasks/main.yml

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText: 2022 - 2023 Julian-Samuel Gebühr
+# SPDX-FileCopyrightText: 2022 - 2023 Slavi Pantaleev
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - tags:

roles/custom/matrix-bot-matrix-registration-bot/tasks/setup_install.yml

@@ -1,3 +1,11 @@
+# SPDX-FileCopyrightText: 2022 - 2023 Julian-Samuel Gebühr
+# SPDX-FileCopyrightText: 2022 - 2024 Slavi Pantaleev
+# SPDX-FileCopyrightText: 2022 Sebastian Gumprich
+# SPDX-FileCopyrightText: 2024 - 2025 Suguru Hirahara
+# SPDX-FileCopyrightText: 2024 David Mehren
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Ensure matrix-registration-bot paths exist

roles/custom/matrix-bot-matrix-registration-bot/tasks/setup_uninstall.yml

@@ -1,3 +1,9 @@
+# SPDX-FileCopyrightText: 2022 Julian-Samuel Gebühr
+# SPDX-FileCopyrightText: 2022 Sebastian Gumprich
+# SPDX-FileCopyrightText: 2022 Slavi Pantaleev
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Check existence of matrix-matrix-registration-bot service

roles/custom/matrix-bot-matrix-registration-bot/tasks/validate_config.yml

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText: 2022 - 2023 Julian-Samuel Gebühr
+# SPDX-FileCopyrightText: 2022 - 2024 Slavi Pantaleev
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Fail if required settings not defined