docs(readme): update README with new project structure

Update README.md with:
- New project structure information
- Testing instructions
- Better project description

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

Author: jonathan-irvin

README.md

@@ -0,0 +1,67 @@
+# Bingo Board Generator
+
+A customizable bingo board generator built with NiceGUI and Python.
+
+## Features
+
+- Generate interactive 5x5 bingo boards
+- Customizable phrases from phrases.txt file
+- Automatic text sizing to fit all content
+- Real-time detection of win patterns
+- Support for different views (home and stream)
+- Mobile-friendly responsive design
+
+## Installation
+
+1. Clone the repository
+
+2. Install dependencies with Poetry:
+```bash
+poetry install
+```
+
+3. Run the application:
+```bash
+python app.py
+```
+
+The application will be available at http://localhost:8080
+
+## Docker
+
+You can also run the application using Docker:
+
+```bash
+docker build -t bingo .
+docker run -p 8080:8080 bingo
+```
+
+## Testing
+
+Run tests with pytest:
+
+```bash
+poetry run pytest
+```
+
+Or for full coverage report:
+
+```bash
+poetry run pytest --cov=src --cov-report=html
+```
+
+## Project Structure
+
+- `app.py`: Main entry point for the application
+- `src/`: Source code directory
+  - `config/`: Configuration and constants
+  - `core/`: Core game logic
+  - `ui/`: User interface components
+  - `utils/`: Utility functions
+- `tests/`: Unit tests
+- `static/`: Static assets (fonts, etc.)
+- `phrases.txt`: Customizable bingo phrases
+
+## Customization
+
+Modify the `phrases.txt` file to add your own bingo phrases. The application will reload them automatically.