Add link to paper in top bar

Author: klieret

templates/_topnav.html

@@ -5,6 +5,7 @@
     <div class="nav-right">
         <ul class="nav-links">
             <a href="/arenas/"><li>Arenas</li></a>
+            <a href="https://arxiv.org/pdf/2511.00839.pdf"><li>Paper</li></a>
             <a href="/insights/"><li>Insights</li></a>
             <a href="https://viewer.codeclash.ai"><li>Trajectories</li></a>
             <a href=""><li>Docs</li></a>