add footer links to threads

contrib/templates/default/thread.mustache

@@ -43,7 +43,8 @@
         <br/>
       {{/ thread.Replies}}
     </div>
-    <br/>
+    <hr/>
+    <div class="navLinks">[<a href="{{thread.BoardURL}}" accesskey="a">Return</a>] [<a href="#thread_{{thread.OP.PostHash}}">Top</a>] </div>
       <script type="text/javascript">
           var e = document.getElementById("nntpchan_banner");
           nntpchan_inject_banners(e, "{{thread.Prefix}}");
@@ -51,4 +52,4 @@
       </script>
 
     </body>
-</html>
+</html>