Adding FOSDEM talk to sidebar

Author: andrewmusselman

website/_includes/sidebar.html

@@ -34,6 +34,12 @@
                 </a> 
                 [<a href="https://www.slideshare.net/slideshow/qumat_-apache-mahout-s-quantum-computing-interface-pptx/272300949" target="_blank">Slides</a>]
             </li>
+                <li>
+                <!--a href="https://www.youtube.com/watch?v=tgFaUL1wYhY" target="_blank"-->
+                    Introducing Qumat!
+                <!--/a-->
+                [<a href="https://fosdem.org/2025/events/attachments/fosdem-2025-5298-introducing-qumat-an-apache-mahout-joint-/slides/236541/Introdudi_JgkXqqT.pdf" target="_blank">Slides</a>]
+            </li>
         </ul>
     </div>
 </div>