This commit transforms the previous "Blinky" sample into a functional
Homeassistant MQTT Gateway application.
Key features and changes include:
- **Application Logic:** The core application logic is updated to function as a gateway between Modbus and MQTT.
- **Network Configuration:**
- Implemented persistent network settings using the Zephyr settings subsystem and NVS.
- Added robust Wi-Fi connection management with auto-reconnect.
- Centralized IP configuration to support both DHCP and static IP addresses.
- **Configuration:** Project and board configurations have been updated to enable necessary kernel features and network settings.
- **Documentation:** The README has been updated to reflect the new functionality and usage instructions.
- **Simulation:** The simulation script has been updated.
Eduard Iten