Add faq section for swift and rn 2.0

Author: Niall Brennan

src/connections/sources/catalog/libraries/mobile/react-native/index.md

@@ -505,5 +505,6 @@ Segment supports these destinations for Analytics React Native 2.0 in device-mod
 No, only the plugins listed above are supported in device-mode for Analytics React Native 2.0.
 ### Will I still see device-mode integrations listed as `false` in the integrations object?
 When you successfully package a plugin in device-mode, you will no longer see the integration listed as `false` in the integrations object for a Segment event. This logic is now packaged in the event metadata, and is not surfaced in the Segment debugger.
+
 ## Changelog
 [View the Analytics React Native 2.0 changelog on GitHub](https://github.com/segmentio/analytics-react-native/releases){:target="_blank"}.