Add default license header to files which have no copyright or license header yet (#5074)

* Add default license header to files which have no copyright or license header yet.

* yml extension should have been xml...

tests/integration/targets/nomad/aliases

@@ -1,3 +1,7 @@
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 shippable/posix/group2
 nomad_job_info
 destructive

tests/integration/targets/nomad/meta/main.yml

@@ -1,4 +1,8 @@
 ---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 dependencies:
   - setup_pkg_mgr
   - setup_openssl

tests/integration/targets/nomad/tasks/main.yml

@@ -1,3 +1,8 @@
+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 - name: Skip unsupported platforms
   meta: end_play
   # TODO: figure out why Alpine does not work!

tests/integration/targets/nomad/tasks/nomad_job.yml

@@ -1,4 +1,7 @@
 ---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 - name: run check deploy nomad job
   nomad_job: