added underglow effect

removed eeprom

eeprom attempt (eeprom resets after restart)

beautify part of the code

compiling binary

finished porting qmk-compatible `keymap.c`

fixed `TRAVEL_DISTANCE` too short

added qmk-compatible keymap.c

added one more keymap: responsive_pattern (compatible to root qmk)

clean up (removed comments and print.h)

revert to old distance calculation (more accurate)

added new pattern: 6: burst

tweaks config

added fading white (cosine curve doesn't look good)

added pattern 5: fade effect