Add provider to documentation
>>> [!note] Migrated issue
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Reported by: [jan kellermann](https://www.drupal.org/user/371731)
Related to !1346
>>>
<p>[Tracker]<br>
<strong>Update Summary: </strong>[One-line status update for stakeholders]<br>
<strong>Short Description: </strong>[One-line issue summary for stakeholders]<br>
<strong>Check-in Date: </strong>MM/DD/YYYY<br>
<em>Metadata is used by the <a href="https://www.drupalstarforge.ai/" title="AI Tracker">AI Tracker.</a> Docs and additional fields <a href="https://www.drupalstarforge.ai/ai-dashboard/docs" title="AI Issue Tracker Documentation">here</a>.</em><br>
[/Tracker]</p>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>On <a href="https://project.pages.drupalcode.org/ai/1.3.x/providers/matris/">https://project.pages.drupalcode.org/ai/1.3.x/providers/matris/</a> you write: Do a pull request on this MD file if your provider is missing.</p>
<p>This is the issue for the Pull-rquest to add these providers:</p>
<ul>
<li><a href="https://www.drupal.org/project/ai_provider_anythingllm">AnythingLLM </a></li>
<li><a href="https://www.drupal.org/project/ai_provider_langdock">Langdock</a></li>
</ul>
<p>You will find further information on the project pages.</p>
issue