Compatibility with Domoticz 2022.1

[bilbolodz]

Added compatibility with Domoticz 2022.1 RFLink MQTT hardware:

• raw packet received from RFLink are transferred to rflink/in topic
• command from rflink/out (and rflink/cmd) topic are transferred to RFLink

[bilbolodz]

Added compatibility with Domoticz 2022.1 RFLink MQTT and TCP hardware:

• raw packet received from RFLink are transferred to rflink/in topic
• command from rflink/out (and rflink/cmd) topic are transferred to RFLink
• raw packet received from RFLink are transferred to TCP socket
• command from TCP socket are transferred to RFLink
• concurrent multiple TCP socket available (number of active session limited in code)

[gizmocuz]

Would be nice if it was compatible with the MQTT Auto Discovery protocol so it can be used by multiple home automation systems
Could be a matter of providing the config objects maybe