Update challenge.md

fullstack/challenge.md

@@ -3,7 +3,7 @@
 ## Create a React Native app
 - [ ] it should run on both iOS and Android
 - [ ] it should use Relay or Relay Modern
-- [ ] it should use our boilerplate  or [Github] or [Yelp] schemas 
+- [ ] it should use [our boilerplate]  or [Github] or [Yelp] schemas 
 - [ ] it should show retrieve the data from the server and display it inside a FlatList
 - [ ] it should be open sourced on your github repo
 
@@ -19,5 +19,6 @@
 
 [storybook]: https://github.com/storybooks/storybook
 [jest]: https://jest-everywhere.now.sh
+[our boilerplate]: https://github.com/entria/graphql-dataloader-boilerplate
 [Github]: https://developer.github.com/v4/
 [Yelp]: https://www.yelp.com/developers/platform