Cleanup, organization, documentation

README.md

archive/main_system_measurement.py

notes.bash

src/extraction/.gitkeep

src/extraction/Extraction_KITTI.ipynb

src/extraction/bivariate.py

src/extraction/convolution.py

...ralized_unscented_transform/evaluate_from_sigma_points.py

...ed_unscented_transform/generalized_unscented_transform.py

src/generalized_unscented_transform/random_variable_test.py

...orm/__pycache__/evaluate_from_sigma_points.cpython-38.pyc

..._pycache__/generalized_unscented_transform.cpython-38.pyc

src/kf_tools/kalman_filter.py