Multiplus II GX tcp control

[Viorel_C]

@Roel_R It looks like one person on forum might have it up and running already.

VE-direct as single interface to the Multiplus II GX

I now made a code to mimic the EM24, by just using the exactly the same registers. And putting my data in those registers. My implementation uses the ESP8266 in just C code (so not via HomeAssistent). The Victron Multiplus-II GX recognizes my ESP8266 now as an EM24 and acts on the data. It works very stable for the last ~9 months.