Rmahjong bot


https://gitlab.com/rmg/rmahjong/-/blob/master/bot/main.c?ref_type=heads
https://gitlab.com/rmg/rmahjong/-/blob/master/bot/io.c?ref_type=heads
https://gitlab.com/rmg/rmahjong/-/blob/master/bot/tiles.c?ref_type=heads