Added update url to update server

componentbuilder_update_server.xml

@@ -381,7 +381,7 @@
 		<version>2.6.13</version>
 		<infourl title="Component Builder!">http://joomlacomponentbuilder.com</infourl>
 		<downloads>
-			<downloadurl type="full" format="zip">http://domain.com/demo.zip</downloadurl>
+			<downloadurl type="full" format="zip">https://github.com/vdm-io/Joomla-Component-Builder/releases/download/v2.6.13/JCB_v2.6.13.zip</downloadurl>
 		</downloads>
 		<tags>
 			<tag>stable</tag>