Add react-native-safe-area-context to users

Author: janicduplessis

README.md

@@ -112,6 +112,7 @@ in the wiki.
 [realm-js](https://github.com/realm/realm-js) •
 [shopify/restyle](https://github.com/Shopify/restyle) •
 [sparkfabrik-react-native-idfa-aaid](https://github.com/sparkfabrik/sparkfabrik-react-native-idfa-aaid) •
+[react-native-safe-area-context](https://github.com/AppAndFlow/react-native-safe-area-context) •
 [and many more…](https://github.com/microsoft/react-native-test-app/network/dependents)
 
 _Are you using RNTA? Submit a PR to add it to the list!_