Add Inventum msgids (92, 93, 94 en 206)

[rvdbreemen]

OpenTherm undefined?
message ID 92 = u16 / days left to change filter - Inventum
message ID 93 = u16 / eletric usage (watt - daily reset) - Inventum
message ID 94 = u16 / compressor use (hours - daily reset) - Inventum

Inventum specific:
message ID 206 = u16 / compressor use (hours - lifetime) - Inventum

18:23:21.076057 T005C0000 Read-Data Message ID 92 (MsgID=92): 0
18:23:21.154912 B405C00F1 Read-Ack Message ID 92 (MsgID=92): 241
18:23:22.144374 T805D0000 Read-Data Message ID 93 (MsgID=93): 0
18:23:22.151218 BC05D00CB Read-Ack Message ID 93 (MsgID=93): 203
18:23:23.176560 T805E0000 Read-Data Message ID 94 (MsgID=94): 0
18:23:23.183672 B405E0000 Read-Ack Message ID 94 (MsgID=94): 0

18:23:27.052250 T80CE0000 Read-Data Message ID 206 (MsgID=206): 0
18:23:27.114350 BC0CE000E Read-Ack Message ID 206 (MsgID=206): 14