Sudoku solver and creator in rust.

Steve Thielemann 1d2925d072 Added AnyPossible display. 4 mesiacov pred
src 5311714707 Moved to AnyBoard code. 4 mesiacov pred
sudoku 1d2925d072 Added AnyPossible display. 4 mesiacov pred
.gitignore 88e3dce0b9 Updated to handle subdirs better. 9 mesiacov pred
Cargo.toml 683bda27aa Working commandline parsing. 9 mesiacov pred