build korean ft for amazfit verge lite

https://github.com/amazfitbip/font_tool

https://www.freemyband.com/p/amazfit-verge-lite-firmwares.html

1. download firmware & unzip
2. unpack .ft with font_tool
3. resize korean fonts from gtr with imagemagick(mogrify)
4. remove some chinese fonts and add korean fonts
5. keep in mind that
  a. do not change offset in _font_info.json
  b. addresses is equal to number of font files
  c. keep smaller font as possible - unless you'll get broken area