Added donate button

index.html

@@ -9,6 +9,9 @@
     <link rel="stylesheet" type="text/css" href="stylesheets/pygment_trac.css" media="screen" />
     <link rel="stylesheet" type="text/css" href="stylesheets/print.css" media="print" />
 
+    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
+    <script type="text/javascript" src="https://blockchain.info//Resources/wallet/pay-now-button.js"></script>
+
     <title>AR.Drone Autonomy</title>
   </head>
 
@@ -115,6 +118,30 @@ on #freenode.
 
 <p>Also a big thank you to <a href="https://github.com/felixge">@felixge</a> who came up with this crazy idea of flying a drone with Javascript and building the fantastic <a href="https://github.com/felixge/node-ar-drone">node-ar-drone</a> library.
 
+<h2>Donate</h2>
+
+<p>If you like this project, please consider donating. The less time I need to work, the more I can spend on open source projects :-)</p>
+<div style="font-size:16px;margin:0 auto;width:300px" class="blockchain-btn"
+     data-address="13q2eVG8KkmsFqGHqDWbjHeq3qicxi4rjh"
+     data-shared="false">
+    <div class="blockchain stage-begin">
+        <img src="https://blockchain.info//Resources/buttons/donate_64.png"/>
+    </div>
+    <div class="blockchain stage-loading" style="text-align:center">
+        <img src="https://blockchain.info//Resources/loading-large.gif"/>
+    </div>
+    <div class="blockchain stage-ready">
+         <p align="center">Please Donate To Bitcoin Address: <b>[[address]]</b></p>
+         <p align="center" class="qr-code"></p>
+    </div>
+    <div class="blockchain stage-paid">
+         Donation of <b>[[value]] BTC</b> Received. Thank You.
+    </div>
+    <div class="blockchain stage-error">
+        <font color="red">[[error]]</font>
+    </div>
+</div>
+
 <h2>License</h2>
 
 <p>The MIT License</p>