add note about react native private beta (#2208)

* add note about react native private beta

* "or support"

* Update react-native-replay.mdx

---------

Co-authored-by: djmixpanel <[email protected]>

Author: coltonb-mixpanel

pages/docs/tracking-methods/sdks/react-native/react-native-replay.mdx

@@ -1,6 +1,10 @@
 import { Callout } from "nextra/components";
 
-# React Native Session Replay
+# Implement Session Replay (React Native) - Beta 
+
+<Callout type="info">
+React Native Session Replay is currently in invite-only Private Beta. Please reach out to your Account Manager or Support for any questions about Session Replay or React Native Beta access.
+</Callout>
 
 Mixpanel's React Native Session Replay SDK enables you to capture and analyze user interactions in your mobile applications. Built as a Turbo Module for React Native's New Architecture, it provides native implementations for both iOS and Android with a unified JavaScript API.