Add DevExtreme to library page

Author: liqian19891011

pages/libraries.html

@@ -217,6 +217,13 @@
         <td>Client</td>
         <td><a href="http://openui5.org/">openui5.org</a></td>
       </tr>
+      <tr>
+        <td>DevExtreme</td>
+        <td>DevExtreme is cross-platform HTML 5/JS tools for next-generation mobile and web development.</td>
+        <td>V1-V4</td>
+        <td>Both</td>
+        <td><a href="http://js.devexpress.com/">js.devexpress.com</a></td>
+      </tr>
     </table>
   </div>
   <div class="tab-pane table-responsive" id="cpp">