Effects (core): Unite demos into the same single effect/ path

Author: rxaviers

demos/addClass/index.html

@@ -9,6 +9,14 @@
 <ul>
 	<li><a href="default.html">Effect showcase</a></li>
 	<li><a href="easing.html">Easing showcase</a></li>
+	<li><a href="addClass.html">.addClass()</a></li>
+	<li><a href="animate.html">.animate()</a></li>
+	<li><a href="hide.html">.hide()</a></li>
+	<li><a href="removeClass.html">.removeClass()</a></li>
+	<li><a href="show.html">.show()</a></li>
+	<li><a href="switchClass.html">.switchClass()</a></li>
+	<li><a href="toggle.html">.toggle()</a></li>
+	<li><a href="toggleClass.html">.toggleClass()</a></li>
 </ul>
 
 </body>