Jordan

ci: Upload wheels to PyPI using GitHub Actions

1

Addresses part of #10

CI for PR #48 (implementing `macos-latest` into CI builds) [fails](https://github.com/j-s-ashley/Wasserstein/actions/runs/9726315538/job/26844627737#step:5:250). Relates to #13 and #19. The failure seems identical (sans a few depreciation errors) to the [original failure](https://github.com/j-s-ashley/Wasserstein/actions/runs/9315059672/job/25640462316#step:5:182) that prompted...

MacOS builds fail

4

Unless the build is executed locally on a machine with OpenMP pre-installed, MacOS build attempts [encounter an error when installing libomp](https://github.com/j-s-ashley/Wasserstein/actions/runs/9315059672/job/25640462316#step:4:210), leading to [a subsequent fatal error](https://github.com/j-s-ashley/Wasserstein/actions/runs/9315059672/job/25640462316#step:5:182) when omp.h is...

Add to CI and and classifiers

Resolves #51 See https://github.com/j-s-ashley/Wasserstein/pull/5 for development and debugging discussion.