Add the partner templates to the installer
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3579194. -->
Reported by: [pameeela](https://www.drupal.org/user/1431110)
Related to !859
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>Let's add all of the approved/ready site templates to the installer in one go.</p>
issue