Fix link to docs

Author: klieret

templates/_topnav.html

@@ -6,7 +6,7 @@
         <ul class="nav-links">
             <div class="nav-group">
                 <a href="/arenas/"><li>Arenas</li></a>
-                <a href="" class="external-link"><li>Docs</li></a>
+                <a href="https://docs.codeclash.ai" class="external-link" target="_blank" rel="noopener noreferrer"><li>Docs</li></a>
                 <a href="/insights/"><li>Insights</li></a>
             </div>
             <div class="nav-group">