Added 4th Orekit Talk info on

publications.html

@@ -27,6 +27,11 @@ Hipparchus can also be cited with its own <a href="https://zenodo.org/records/84
 
 <h2>Orekit Talks</h2>
 <ul class="fa-ul">
+  <li>
+    <p><span class="fa-li fa-lg fa fa-gears"></span><a href="https://orekit.org/news/2024/12/18/4th-orekit-talk-oreczml-julien-leblond.html">Fourth Orekit Talk: OreCzml - a 3D visualization library for Orekit</a><br/>
+      Leblond J.<br/>
+      December 18th 2024</p>
+  </li>
   <li>
     <p><span class="fa-li fa-lg fa fa-gears"></span><a href="https://orekit.org/news/2024/04/22/3rd-orekit-talk-gtoc-12-romain-serra.html">Third Orekit Talk: Orekit for the Global Trajectory Optimisation Competition</a><br/>
       Serra R.<br/>