4433fe97c7
- Added GatewayController class to manage gateway operations, including command handling, scene and group management, and BLE state management. - Introduced methods for scene and group storage, including loading, saving, and deleting scenes/groups. - Enhanced GatewayRuntime with BLE management capabilities, including methods to check and set BLE state, and to generate BLE gateway names. - Implemented utility functions for string normalization and CSV parsing. - Added notification sinks for various events in the GatewayController. Co-authored-by: Copilot <copilot@github.com>