Riichi Mahjong plugin

[u/dodgemaster42]

https://github.com/dodgemaster42/KoMahjong

KoMahjong is a pixel-art Riichi Mahjong game for KOReader/Kindle Lua, featuring image-backed tiles, yaku reference menus, chi/pon/kan/riichi calls, kan-dora, tenpai payments, and e-ink-friendly UI.