add test case into dialog index.html

add test case into dialog index.html

Author: uplusware

demos/dialog/index.html

@@ -9,6 +9,7 @@
 
 <ul>
 	<li><a href="default.html">Default functionality</a></li>
+	<li><a href="minimizable.html">Minimizable dialog</a></li>
 	<li><a href="modal-message.html">Modal message</a></li>
 	<li><a href="modal-confirmation.html">Modal confirmation</a></li>
 	<li><a href="modal-form.html">Modal form</a></li>