feat(core): add models and class for pycytominer core #140

Job	Run time
Build versioned package	1m 7s
Pre-commit checks	1m 11s
Pytest (Python 3.8 on macos-latest)	11m 31s
Pytest (Python 3.9 on macos-latest)	12m 42s
Pytest (Python 3.10 on macos-latest)	13m 3s
Pytest (Python 3.11 on macos-latest)	14m 45s
Pytest (Python 3.8 on ubuntu-latest)	5m 37s
Pytest (Python 3.9 on ubuntu-latest)	7m 12s
Pytest (Python 3.10 on ubuntu-latest)	6m 18s
Pytest (Python 3.11 on ubuntu-latest)	5m 54s
docker-image-test	5m 15s
	1h 24m 35s

Provide feedback