fix posts graph

contrib/templates/default/frontpage.mustache

@@ -56,7 +56,11 @@
           </tbody>
         </table>
       </div>
-      {{{postgraph.Render}}}
+      <!-- being posts graph -->
+      {{{postsgraph.Render}}}
+    </div>
+    <div>
+      
     </div>
     </center>
   </body>