Library and benchmark program for Arctic and Shine

Ian Goldberg a6d55868ce Use multiscalar multiplication in CombineComm %!s(int64=2) %!d(string=hai) anos
src a6d55868ce Use multiscalar multiplication in CombineComm %!s(int64=2) %!d(string=hai) anos
Cargo.toml 270aa4fc98 Initial Shine implementation %!s(int64=2) %!d(string=hai) anos