Includes: Add widget theming include

Author: apsdehal

entries/widget-theming.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<div>
+	<h3 id="theming">Theming</h3>
+
+	<p>The <placeholder name="name"/> widget uses the <a href="/theming/css-framework/">jQuery Mobile and UI CSS framework</a> to style its look and feel. If <placeholder name="name"/> specific styling is needed, the following CSS class names can be used for overrides or as keys for the <a href="#option-classes"><code>classes</code> option</a>:</p>
+</div>