update doc homepage

_layouts/docs.html

@@ -15,12 +15,12 @@ permalink : /docs/
 </div>
   <section class="docs_content">
     {{ content }}
-    <ul>
+    <!-- <ul>
       {%- for item in site.docs -%}
       <li>
         <a href="{{item.url}}">{{item.title}}"</a>
         <p>{{item.description}}</p>
       </li>
       {%- endfor -%}
-    </ul>
+    </ul> -->
   </section>