feat: Enhance MK2 driver with device state management and improved command handling

README.md

@@ -6,6 +6,8 @@ The invertergui allows the monitoring of a [Victron Multiplus](https://www.victr
 
 The [`registry.coadcorp.com/nathan/invertergui`](https://registry.coadcorp.com/nathan/invertergui) container image is a build of this repository.
 
+The code has been updated to support more of the protocol published by Victron at https://www.victronenergy.com/upload/documents/Technical-Information-Interfacing-with-VE-Bus-products-MK2-Protocol-3-14.pdf 
+
 ## Acknowledgements
 
 This project is based on the original open source `invertergui` project by Hendrik van Wyk and contributors:
@@ -76,6 +78,9 @@ services:
     image: registry.coadcorp.com/nathan/invertergui:latest
     environment:
       READ_ONLY: "true"
+    devices:
+      - "/dev/ttyUSB0:/dev/ttyUSB0"
+    command: ["--mqtt.enabled", "--mqtt.broker=tcp://192.168.1.1:1883", "--loglevel=info"]      
 ```
 
 ## Port 8080