Release V1.7

Note: Changing to this release will require new calibration!

Update of LR main body housing

- Longer antenna hole (now 58mm)
- Reinforcements

Add improved LR bodies

Add softer gears

- Softer Gears: When at full throttle, changing gear is smoothened (Thanks to Dyse)
- Added Information how to connnect ISP for LR version

Put "last_activity check" into defines

UI Overhaul

Remove Toto Mode
Add more options to customize UI:
- NO_LOCK
- NO_POWERBUTTON
- NO_GEARS
Add temperature display

Add "TOTO-Mode", Disable Lock&Poweroff when Throttle is active

Add longrange (LR) and steering functionality

Add a longrange (LR) version of Tx board
Add steering functionality in code

Important fix: Disable MOSI Pin (could damage battery in standby)

Increase NRF interrupt-to-readout delay