I need a mobile application built with Expo (React Native) that includes an audio player feature. The app should allow users to: • Play, pause, and stop audio files • Skip forward and backward • Adjust volume • Play audio in the background (when screen is off or minimized) Additional requirements: • Clean and maintainable code • Compatible with both Android and iOS • Simple and user-friendly UI • Documentation for setup and usage Please include examples of your previous projects with audio or media features if available.