Add README.md with app description and setup instructions

README.md

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+# RTSDA iOS App
+
+The official iOS app for the Rockville-Tolland Seventh-day Adventist Church. This app provides easy access to church services, media content, and information.
+
+## Features
+
+- **Live Streaming**: Watch church services live through OwnCast integration
+- **Sermon Library**: Access archived sermons and special programs via Jellyfin
+- **Church Bulletin**: Stay updated with church announcements and events
+- **Church Information**: Access church beliefs, contact information, and more
+
+## Technical Details
+
+- Built with SwiftUI
+- Minimum iOS version: 16.0
+- Uses async/await for network operations
+- Integrates with multiple services:
+  - Jellyfin for video content
+  - OwnCast for live streaming
+  - PocketBase for church data
+
+## Building the App
+
+1. Clone the repository
+2. Open `RTSDA.xcodeproj` in Xcode
+3. Build and run the project
+
+## Requirements
+
+- Xcode 15.0 or later
+- iOS 16.0 or later
+- Swift 5.9 or later
+
+## License
+
+This project is licensed under the MIT License - see the LICENSE file for details.
+
+## Contact
+
+For any inquiries about the app, please contact the Rockville-Tolland SDA Church IT department.