Added react native link to readme
-# Lottie for Android (and [iOS](https://github.com/airbnb/lottie-ios))
+# Lottie for Android (and [iOS](https://github.com/airbnb/lottie-ios) and [React Native](https://github.com/airbnb/lottie-react-native))
Lottie is a mobile library for Andorid and iOS that parses [Adobe After Effects](http://www.adobe.com/products/aftereffects.html) animations exported as json with [bodymovin](https://github.com/bodymovin/bodymovin) and renders them natively on mobile!
