Angets

- Actually never mind, remove the README.md image.

- Fix README.md image.

- Added pytest coverage to Makefile test command
- Fixed formatting
- Added flake8 during tests
- Added black linter to Makefile commands

- Fix typo

- publish.yaml now requires that all tests pass before releasing the package
- Indentation fixes for publish.yaml and tests.yaml
- tests.yaml will not run if only .md files are updated
- README.md does not contain changelogs for itself anymore
- Package `__version__` will now reference the version found in project.toml file

- Bug fixes