Add support for C401N user interface configuration

[fox34]

Add user interface configuration for temperature/humidity sensor MHO-C401-Z, as mentioned in issue #8069

Attr: 0x0100, INT16 (id:0x29), Temperature offset, in 0.01° steps, range: -32767 (-327.67°)..32767(+327.67°). Default 0.
Attr: 0x0101, INT16 (id:0x29), Humidity offset, in 0.01% steps, range: -32767 (-327.67%)..32767(+327.67%). Default 0.
Attr: 0x0102, INT16 (id:0x29), Comfort temperature minimum, in 0.01° steps, range -32767..+32767 (-327.67° ..+327.67°). Default 2000 (20.00°C).
Attr: 0x0103, INT16 (id:0x29), Comfort temperature maximum, in 0.01° steps, range -32767..+32767 (-327.67° ..+327.67°). Default 2500 (25.00°C).
Attr: 0x0104, UINT16 (id:0x21), Comfort humidity minimum, in 1% steps, range 0..9999 (0..99.99%). Default 4000 (40.00%).
Attr: 0x0105, UINT16 (id:0x21), Comfort humidity maximum, in 1% steps, range 0..9999 (0..99.99%). Default 6000 (60.00%).
Attr: 0x0106, ENUM8 (id:0x30), Turn off the display. 1 - Display Off. Default 0 - Display On.
Attr: 0x0107, UINT8 (id:0x20), Measurement interval, range: 3..255 seconds. Default 10 seconds.

Attributes 0x0000 and 0x0002 can already be controlled.