Sudoku solver and creator in rust.

Bugz 9a9521d174 Sudoku as library. 9 mesiacov pred
src 9a9521d174 Sudoku as library. 9 mesiacov pred
sudoku 9a9521d174 Sudoku as library. 9 mesiacov pred
.gitignore 7702ed61c9 cargo fmt. 10 mesiacov pred
Cargo.toml 9a9521d174 Sudoku as library. 9 mesiacov pred