Update github link

Author: glinscott

go/src/server/templates/base.tmpl

@@ -49,7 +49,7 @@
                 </a>
               </li>
               <li class="nav-item">
-                <a class="nav-link" href="https://github.com/glinscott/leela-chess">
+                <a class="nav-link" href="https://github.com/LeelaChessZero/">
                   <span data-feather="github"></span>
                   Github
                 </a>