fix: tournament selection in case last wins returned wrong index

fix: tournament replacement strategy could be using wrong indices

feat: add best replacement

feat: add best selection

fix: return proper indices from tournament

feat: add mutation and combined perturbations

feat: init tsp_hw01

chore: make library out of eoa_lib

chore: move env to codes/eoa_lib

chore: remove unused rand::rng

refactor: use evaluated population in selection

feat: add crossover

feat: add evolution algorithm

feat: add pairing of parents

feat: Add replacement strategy

chore: update explanation comment

feat: add tournament selection

tests: use random initializer in a test

feat: add initializers, ZeroInitializer, RandomInitializer

feat: add new terminating conditions (or, lower than, maximum cycles)