docs(readme): add screenshot (bitpay#93)

readme.md

@@ -16,11 +16,13 @@ QRScanner's native camera preview is rendered behind the Cordova app's webview,
 <!-- Please be sure your screenshot is hosted by cloud.githubusercontent.com. (You can upload by adding the image to any GitHub issue. -->
 <td><img height="450" src="https://cloud.githubusercontent.com/assets/904007/24809138/943a9628-1b8c-11e7-8659-828c8060a9b6.PNG" alt="BitPay – Secure Bitcoin Wallet"></td>
 <td><img height="450" src="https://cloud.githubusercontent.com/assets/904007/24809499/b192a246-1b8d-11e7-9f3b-e85ae480fdd6.PNG" alt="Copay Bitcoin Wallet Platform"></td>
+<td><img height="450" src="https://cloud.githubusercontent.com/assets/5379359/25655918/0909bac8-2ff7-11e7-8775-ebb11bb085d6.png" alt="BitPocket Point Of Sale App"></td>
 </tr>
 <tr align="center">
 <!-- Please provide a title and, if possible, a link to your project. -->
 <td><a href="https://bitpay.com/wallet">BitPay – Secure Bitcoin Wallet</a></td>
 <td><a href="https://github.com/bitpay/copay">bitpay/copay</a></td>
+<td><a href="https://github.com/getbitpocket/bitpocket-mobile-app">BitPocket - Bitcoin Point of Sale App</a></td>
 </tr>
 </table>