add donation

Author: tinyeeliu

README.md

@@ -2,4 +2,6 @@ Welcome to the androidquery GitHub home.
 
 Click [here](http://code.google.com/p/android-query/wiki/AsyncAPI) for wiki at GoogleCode
 or visit:
-http://code.google.com/p/android-query/wiki/AsyncAPI
+http://code.google.com/p/android-query/wiki/AsyncAPI
+
+<a href='https://pledgie.com/campaigns/22663'><img alt='Click here to lend your support to: AndroidQuery and make a donation at pledgie.com !' src='https://pledgie.com/campaigns/22663.png?skin_name=chrome' border='0' ></a>