Add textSigle as a fetchable value for plugins

Change-Id: I53d25f153f159efed9863c575e8e6fa668618403
diff --git a/dev/demo/plugin-client.html b/dev/demo/plugin-client.html
index 728ef4e..7935347 100644
--- a/dev/demo/plugin-client.html
+++ b/dev/demo/plugin-client.html
@@ -88,6 +88,7 @@
       <li><a onclick="redirect()">Redirect</a></li>
       <li><a onclick="flood()">Flood!</a></li>
       <li><a onclick="KorAPlugin.requestMsg({'action':'get', 'key':'KQ'}, function (d) { document.write(JSON.stringify(d.value))})">Get KQ</a></li>
+      <li><a onclick="KorAPlugin.requestMsg({'action':'get', 'key':'textSigle', 'value':'textSigle'}, function (d) { document.write(JSON.stringify(d.value))})">Get textSigle</a></li>
     </ul>
     <p style="width: 2000px">------------------------------------------------------------------------------------------------------------------------</p>
   </body>