Sudoku solver and creator in rust.

Steve Thielemann b27d436b4b Added initial solver routine. %!s(int64=2) %!d(string=hai) anos
src b27d436b4b Added initial solver routine. %!s(int64=2) %!d(string=hai) anos
.gitignore 7702ed61c9 cargo fmt. %!s(int64=2) %!d(string=hai) anos
Cargo.toml e017fa0b08 Working output (display). %!s(int64=2) %!d(string=hai) anos