Add license information to files for matrix-sygnal

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

roles/custom/matrix-sygnal/tasks/install.yml

@@ -1,3 +1,12 @@
+# SPDX-FileCopyrightText: 2021 - 2024 Slavi Pantaleev
+# SPDX-FileCopyrightText: 2022 Jim Myhrberg
+# SPDX-FileCopyrightText: 2022 Marko Weltzer
+# SPDX-FileCopyrightText: 2022 Nikita Chernyi
+# SPDX-FileCopyrightText: 2022 Sebastian Gumprich
+# SPDX-FileCopyrightText: 2024 David Mehren
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Ensure Sygnal paths exists

roles/custom/matrix-sygnal/tasks/main.yml

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText: 2021 - 2023 Slavi Pantaleev
+# SPDX-FileCopyrightText: 2022 Marko Weltzer
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - tags:

roles/custom/matrix-sygnal/tasks/uninstall.yml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021 - 2023 Slavi Pantaleev
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Check existence of matrix-sygnal service

roles/custom/matrix-sygnal/tasks/validate_config.yml

@@ -1,3 +1,8 @@
+# SPDX-FileCopyrightText: 2021 - 2023 Slavi Pantaleev
+# SPDX-FileCopyrightText: 2022 Marko Weltzer
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 ---
 
 - name: Fail if required Sygnal settings not defined