Update README with latest changes

README.md

@@ -26,8 +26,7 @@ MicroPython-based LED driver application for ESP32 microcontrollers.
 led-driver/
 ├── src/
 │   ├── main.py           # Main application code
-│   ├── patterns.py       # LED pattern implementations
-│   ├── patterns_base.py  # Base pattern class
+│   ├── patterns.py       # LED pattern implementations (includes Preset and Patterns classes)
 │   ├── settings.py       # Settings management
 │   └── p2p.py            # Peer-to-peer communication
 ├── test/                 # Pattern tests