add plugins description

add plugins description

Author: zhangxinxu

ReadMe.md

@@ -9,10 +9,10 @@ use <code>npm</code>:
 
 Examples and Tests and Documents
 ------------------
-<ul>
+<ol>
 	<li>Example1: http://iancj.github.io/qq/</li>
 	<li>Example2: http://baozoumanhua.com/mobile_makers/</li>
-</ul>
+</ol>
 
 <ul>
 	<li>Test page: <a href="http://rawgit.com/zhangxinxu/mobilebone/develop/test/index.html">test/index.html</a></li>
@@ -50,6 +50,12 @@ Of course, you can control the direction of switching, or use a ajax get, or as
 
 For more detail, you can [visit here](http://www.zhangxinxu.com/wordpress/?p=4381). 
 
+Plugins
+----------------
+<ol>
+	<li><strong>mobilebone.ppt.js</strong>: make web page to powerpoint presentation. <a href="http://rawgit.com/zhangxinxu/mobilebone/develop/plugins/ppt/index.html">docs/index.html</a>demo here</a>.</li>
+</ol>
+
 Advantage?
 --------------
 what mobilebone.js do just one thing - switching. So, it's small, flexible, and no any UI restriction. In a word, it's fit for variety of designs and scenes.
@@ -108,6 +114,12 @@ Mobilebone会自动捕获页面上的a元素，如果其href值存在猫腻，
 
 更多信息请[参考这里](http://www.zhangxinxu.com/wordpress/?p=4381). 
 
+插件
+----------------
+<ol>
+	<li><strong>mobilebone.ppt.js</strong>: 可以让web页面表现如幻灯片演示，尺寸自适应。 <a href="http://rawgit.com/zhangxinxu/mobilebone/develop/plugins/ppt/index.html">docs/index.html</a>demo点击这里</a>。</li>
+</ol>
+
 优势？
 ------------------
 mobilebone.js只做了一件事情，切换。所以，JS文件很小，gzip后3~4K, 而且很灵活，几乎没有任何UI的限制，适用于各个项目各个场景。