add `gameBoardToSfenString()` and `gameBoardToBodString()` to utils.dart

defuncart / shogi

A simple shogi engine for Dart and Flutter. This engine can be combined with flutter_shogi_board to render static game board positions, tsume problems or shogi castles.

MIT License

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add `gameBoardToSfenString()` and `gameBoardToBodString()` to utils.dart #17

Closed ryicoh closed 3 years ago

ryicoh commented 3 years ago

resolve: https://github.com/defuncart/shogi/issues/16