Add ENABLE_TIME_COMMAND for enable cmd_time if need
Fix incorrect data on run cmd_scan cmd_data if Tansform enabled on NanoVNA (remove transform_domain() from sweep, add in front of plot_into_index in sweep thread)
Remove pause/run in reload (not need, command run vs CMD_WAIT_MUTEX flag)
Rework display spi driver:
use DMA for read, write
add blitBitmap functions
Use DMA for color fill
More correct SPI bus control
Move color definitions to nanovna.h
Some code optimization for speed and size (save about 3k bytes)
Change grid Y resolution to 10
Fix convert from float to int (fix some rounding errors on plot)
Disable unused HAL serial
Change battery icon