Add gitlab CI configuration
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3537760. -->
Reported by: [alorenc](https://www.drupal.org/user/3603980)
Related to !4 !6
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>The project is currently missing a .gitlab-ci.yml file. Adding the file will allow maintainers and contributing developers to run the Drupal CI/CD pipeline to ensure compliance with Drupal coding standards.</p>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Add and configure the .gitlab-ci-.yml file<br>
Fix all issues detected by PHPCS etc</p>
issue