Merge pull request #155 from square/daphne/add-delighted-feedback-link

Add Delighted feedback link to sample app readme

Author: daphnechiu

reader-sdk-react-native-quickstart/README.md

@@ -128,3 +128,6 @@ You can view the [transaction details in Square Dashboard].
 [yarnpkg.com]: https://yarnpkg.com/lang/en/docs/install/
 [root README]: ../README.md
 [transaction details in Square Dashboard]: https://squareup.com/dashboard/sales/transactions
+
+## Feedback
+Rate this sample app [here](https://delighted.com/t/Z1xmKSqy)!