FCE-2135: Document Picture in Picture (#196)

## Description

Describe your changes in detail

Author: MiloszFilimowski

.gitignore

@@ -137,3 +137,5 @@ build
 docs/api/mobile/**
 docs/api/web/**
 docs/api/server/**
+
+.cursor/

docs/how-to/react-native/background-streaming.mdx

@@ -201,3 +201,7 @@ useCallKitEvent("ended", () => {
 
   </TabItem>
 </Tabs>
+
+## See Also
+
+For an enhanced user experience when your app is in the background, consider enabling [Picture in Picture](./picture-in-picture), which allows users to see video content in a floating window while using other apps.

docs/how-to/react-native/connecting.mdx

@@ -90,3 +90,12 @@ export function LeaveRoomButton() {
   return <Button onPress={onPressLeave} title="Leave Room" />;
 }
 ```
+
+## Next Steps
+
+Now that you're connected to a room, you can explore additional features:
+
+- [Start Streaming](./start-streaming) - Enable your camera and microphone
+- [List Other Peers](./list-other-peers) - Display video from other participants
+- [Picture in Picture](./picture-in-picture) - Allow users to watch video in a floating window
+- [Background Streaming](./background-streaming) - Keep calls active when the app is backgrounded

docs/how-to/react-native/list-other-peers.mdx

@@ -46,3 +46,9 @@ export function ShowAllPeers() {
   );
 }
 ```
+
+:::tip[Enable Picture in Picture]
+
+To allow users to continue watching video in a floating window when they background your app, wrap your video call UI with the `PipContainerView` component. See the [Picture in Picture guide](./picture-in-picture) for more details.
+
+:::