add FullStory plugin (#754)

Co-authored-by: Ryan Wang <[email protected]>

Author: RyanCommits

README.md

@@ -526,6 +526,7 @@ Refer to the following table for Plugins you can use to meet your tracking needs
 | [Braze Middleware (Cloud Mode)](https://github.com/segmentio/analytics-react-native/tree/master/packages/plugins/plugin-braze)      | `@segment/analytics-react-native-plugin-braze-middleware`|
 | [Facebook App Events](https://github.com/segmentio/analytics-react-native/tree/master/packages/plugins/plugin-facebook-app-events)    | `@segment/analytics-react-native-plugin-facebook-app-events` |
 | [Firebase](https://github.com/segmentio/analytics-react-native/tree/master/packages/plugins/plugin-firebase)      | `@segment/analytics-react-native-plugin-firebase`|
+| [FullStory](https://github.com/fullstorydev/segment-react-native-plugin-fullstory) | `@fullstory/segment-react-native-plugin-fullstory`|
 | [IDFA](https://github.com/segmentio/analytics-react-native/tree/master/packages/plugins/plugin-idfa)     | `@segment/analytics-react-native-plugin-idfa` |
 | [Mixpanel](https://github.com/segmentio/analytics-react-native/tree/master/packages/plugins/plugin-mixpanel)    | `@segment/analytics-react-native-plugin-mixpanel` |
 | [Sprig](https://github.com/UserLeap/analytics-react-native-plugin-sprig)    | [`@sprig-technologies/analytics-react-native-plugin-sprig`](https://www.npmjs.com/package/@sprig-technologies/analytics-react-native-plugin-sprig) |