Added third-party libraries support doc

docs/_sidebar.md

@@ -13,6 +13,7 @@
   - [TopBar Buttons](/docs/topBar-buttons) 
   - [Animations](/docs/animations)
   - [Constants](/docs/constants)
+  - [Third Party Libraries Support](/docs/third-party)
 - Migration from v1
   - [Top Level](/docs/top-level-api-migration)
   - [Options](/docs/options-migration)

docs/docs/third-party.md

@@ -0,0 +1,11 @@
+# Third Party Libraries Support
+
+## Redux
+
+### registerComponentWithRedux(screenID, generator, store, provider)
+Utility helper function like registerComponent,
+wraps the provided component with a react-redux Provider with the passed redux store
+
+```js
+Navigation.registerComponentWithRedux(`navigation.playground.WelcomeScreen`, () => WelcomeScreen, store, provider);
+```