Pip-split-requirements

What's Changed
* Read parameters from pyproject.toml by sbidoul in https://github.com/sbidoul/pip-split-requirements/pull/2
* Better default for pre-commit hook by sbidoul in https://github.com/sbidoul/pip-split-requirements/pull/3


**Full Changelog**: https://github.com/sbidoul/pip-split-requirements/compare/v0.6.0...v0.7.0

- Update pre-commit hook to require explict filenames. Necessary because pre-commit does not guarantee ordering.

**Full Changelog**: https://github.com/sbidoul/pip-split-requirements/compare/v0.5.0...v0.6.0

- Do not remove empty groups by default. Add `--remove-empty` option.

**Full Changelog**: https://github.com/sbidoul/pip-split-requirements/compare/v0.4.0...v0.5.0

- Match lines using regex search instead of match

**Full Changelog**: https://github.com/sbidoul/pip-split-requirements/compare/v0.3.0...v0.4.0

- use [pip-requirement-parser](https://pypi.org/project/pip-requirements-parser/) to parse requirement files

- Add a header to generated files