add synthetic data generator, refactor project modules

WHY/WHY.egg-info/PKG-INFO

WHY/WHY.egg-info/SOURCES.txt

WHY/WHY.egg-info/dependency_links.txt

WHY/WHY.egg-info/not-zip-safe

WHY/WHY.egg-info/requires.txt

WHY/WHY.egg-info/top_level.txt

WHY/__init__.py

WHY/__pycache__/__init__.cpython-39.pyc

WHY/__pycache__/callbacks.cpython-39.pyc

WHY/__pycache__/config.cpython-39.pyc

WHY/__pycache__/data_vis.cpython-39.pyc

WHY/__pycache__/synthetic.cpython-39.pyc

WHY/config.py

WHY/data_vis.py

WHY/synthetic.py

docs/Makefile

docs/WHY.rst

docs/_build/doctrees/WHY.doctree

docs/_build/doctrees/environment.pickle

docs/_build/doctrees/index.doctree