* Helix keyboard OLED, RGBLIGHT enable/disable control integrate into rules.mk
rules.mk: add 4 Variables for compile control.
# Helix keyboard customize
# you can edit follows 4 Variables
# jp: 以下の4つの変数を必要に応じて編集します。
OLED_ENABLE = no # OLED_ENABLE
LED_BACK_ENABLE = no # LED backlight (Enable WS2812 RGB underlight.)
LED_UNDERGLOW_ENABLE = no # LED underglow (Enable WS2812 RGB underlight.)
LED_ANIMATIONS = yes # LED animations
config.h: auto set RGBLED_NUM by HELIX_ROWS and rules.mk's define
* HELIX_ROWS define move from config.h to rules.mk
* add readme.md
* rename readme.md to readme_jp.md
* add readme.md and modify readme_jp.md
