docs: add new README.md file for the example app

Author: AlshehriAli0

example/README.md

@@ -0,0 +1,34 @@
+# Example App
+
+A demo app showcasing all features of `react-native-nitro-version-check`.
+
+## Prerequisites
+
+- [Bun](https://bun.sh)
+- [Expo CLI](https://docs.expo.dev/get-started/set-up-your-environment/)
+- Xcode (for iOS) or Android Studio (for Android)
+
+## Getting Started
+
+```sh
+# 1. Install dependencies from the monorepo root
+cd ..
+bun install
+
+# 2. Generate native projects
+cd example
+npx expo prebuild
+
+# 3. Run the app
+bun run ios      # iOS
+bun run android  # Android
+```
+
+## Available Scripts
+
+| Script | Description |
+|--------|-------------|
+| `bun start` | Start the Expo dev server |
+| `bun run ios` | Build and run on iOS simulator |
+| `bun run android` | Build and run on Android emulator |
+| `bun run web` | Start the web version |