cetkaik_yhuap_move_candidates 1.3.1

See https://sites.google.com/view/cet2kaik/the-standardized-rule-in-english and https://github.com/sozysozbot/cerke_online_utility for context.
Documentation 
# cetkaik_yhuap_move_candidates
![](https://docs.rs/cetkaik_yhuap_move_candidates/badge.svg) 

[Documentation](https://docs.rs/cetkaik_yhuap_move_candidates)

[官定机戦](https://sites.google.com/view/cet2kaik/%E7%B5%B1%E4%B8%80%E8%A6%8F%E5%89%87)での駒の動きの候補一覧を算出する。

Ported https://github.com/sozysozbot/cerke_online_utility/blob/master/src/calculate_movable.ts to Rust. See https://sites.google.com/view/cet2kaik/the-standardized-rule-in-english and https://github.com/sozysozbot/cerke_online_utility for context.