added tweet button

index.html

@@ -30,8 +30,12 @@ <h1><a href="/">Bitwiser.in</a></h1>
     <section class="content">
         <h1><a href="/medium-style-confirm/">medium-style-confirm</a></h1>
         <div class="demo msc-action">
-            <div><iframe src="https://ghbtns.com/github-btn.html?user=brijeshb42&repo=medium-style-confirm&type=star&count=true" frameborder="0" scrolling="0" width="170px" height="20px"></iframe>
-            <iframe src="https://ghbtns.com/github-btn.html?user=brijeshb42&repo=medium-style-confirm&type=fork&count=true" frameborder="0" scrolling="0" width="170px" height="20px"></iframe></div>
+            <div>
+                <iframe src="https://ghbtns.com/github-btn.html?user=brijeshb42&repo=medium-style-confirm&type=star&count=true" frameborder="0" scrolling="0" width="170px" height="20px"></iframe>
+                <iframe src="https://ghbtns.com/github-btn.html?user=brijeshb42&repo=medium-style-confirm&type=fork&count=true" frameborder="0" scrolling="0" width="170px" height="20px"></iframe>
+                <a href="https://twitter.com/share" class="twitter-share-button" data-text="medium.com style confirm dialog" data-via="brijeshb42" data-count="none">Tweet</a>
+<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
+            </div>
             <h2>Demo</h2>
             <p><button id="demo1">Simplest</button> <code>mscConfirm(title, okCallback)</code></p>
             <div>