Add donation button

afshinm · afshinm · commit 63bc0c93aead · 2014-01-11T17:36:25.000+03:30
diff --git a/README.md b/README.md
@@ -2,6 +2,7 @@
 
 > Better introductions for websites and features with a step-by-step guide for your projects.
 
+<a href='https://pledgie.com/campaigns/23692'><img alt='Click here to lend your support to: IntroJS  and make a donation at pledgie.com !' src='https://pledgie.com/campaigns/23692.png?skin_name=chrome' border='0' ></a>
 
 ## How to use
 Intro.js can be added to your site in three simple steps:
