Add default license header to files which have no copyright or license header yet (#5074) (#5075)

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

* yml extension should have been xml...

(cherry picked from commit 1ab2a5f1bc)

tests/integration/targets/monit/tasks/check_state.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: "{{ reason }} ('up')"
   command: "curl -sf http://localhost:8082/hello"
   when: service_state == 'up'

tests/integration/targets/monit/tasks/test.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
+
 # order is important
 - import_tasks: test_reload_present.yml
 

tests/integration/targets/monit/tasks/test_errors.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: Check an error occurs when wrong process name is used
   monit:
     name: missing

tests/integration/targets/monit/tasks/test_reload_present.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: reload monit when process is missing
   monit:
     name: httpd_echo

tests/integration/targets/monit/tasks/test_state.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
+
 - import_tasks: check_state.yml
   vars:
     reason: verify initial service state