docs(website): Hid panel for small devices

Author: TwoTenPvP

docs/_layouts/docs.html

@@ -9,7 +9,7 @@
         </div>
 
         <div class="col-md-8">
-            <div class="panel panel-success">
+            <div class="panel panel-success visible-lg visible-md">
                 <div class="panel-heading">
                     <h3 class="panel-title">Improve the wiki</h3>
                 </div>