[Enhance] Pressure diff should be display at lux position

[yakumo-saki]

problem

[Only apply to ST7789 BIG mode]

• Pressure delta is important than lux.
• Pressure and delta displayed same time is very useful

about to change

precondition

• co2 sensor is not connected.

• ST7789 Big mode

• [ ] Pressure delta display instead of Lux (now: instead of pressure)

[yakumo-saki]

due to #80 close this issue as wontfix

[yakumo-saki]

/close