tests: use random initializer in a test

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

refactor: Add dimension generic to BinaryString

chore: remove unused imports

refactor: properly handle errors in local_search

tests: Add test for sphere real representation

feat: add simple plotting of local search

refactor: abstract LocalSearch stats into LocalSearchStats

refactor: Use OVector instead of SVector in library

feat: add evolutionary strategies to local search

feat: add test for local search with PatternPerturbation

tests: add test for Linear fitness function

refactor: extend local search to accept any inputs

Instead of accepting only BinaryString, accept anything.
Extend the operators to accept anything.

tests: move all tests to separate submodules

tests: add rosenbrock test

chore: guard test imports by #[cfg(test)]

chore: split types and functions to separate module files