2025.html: Add myself

Author: lanodan

2025.html

@@ -99,6 +99,7 @@ <h3>Kudos to these websites who <!-- TODO: got --> plan to get naked in 2025!</h
             <li><a href="https://villepreux.net/">Antoine Villepreux</a></li>
             <li><a href="https://waby.ink/">waby.ink</a></li>
             <li><a href="https://silvanzwick.com/">Silvan Zwick</a></li>
+            <li><a href="https://hacktivis.me/">Haelwenn Monnier</a></li>
             <li><a href="https://github.com/css-naked-day/css-naked-day.github.io/edit/master/2025.html"><strong>Yours?</strong></a></li>
           </ol>
         </section>