Update Starter's basic page layout to use a section
>>> [!note] Migrated issue
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<!-- Migrated from issue #3551292. -->
Reported by: [pameeela](https://www.drupal.org/user/1431110)
Related to !650
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>The basic page layout is not using a section, but now that the content template UI is available this is easy to fix.</p>
<p>Before:<br>
<img src="https://www.drupal.org/files/issues/2025-10-10/Screenshot%202025-10-09%20at%205.46.28%E2%80%AFpm.png" alt=""></p>
<p>After:<br>
<img src="https://www.drupal.org/files/issues/2025-10-10/Screenshot%202025-10-09%20at%205.49.19%E2%80%AFpm.png" alt=""></p>
issue