Library and benchmark program for Arctic and Shine

Ian Goldberg eba60179b5 We never use the Lagrange interpolate function, but we keep it for completeness 2 rokov pred
src eba60179b5 We never use the Lagrange interpolate function, but we keep it for completeness 2 rokov pred
Cargo.toml 6029009659 Use itertools::combinations instead of rolling our own 2 rokov pred