Django-file-router

New features:

- add exclude arg to file_patterns ([`0d8f2fc`](https://github.com/jerivas/django-file-router/commit/0d8f2fc171f8aa7c38da9bd7124cdcb4b2ab6822))

New features:

- drop support for Python 3.6 ([`7514576`](https://github.com/jerivas/django-file-router/commit/7514576e1bda86d197af795511eb9ca747f4f613))

Bugs fixed:

- reverse-sort files to force variable urls to the bottom ([`919c76f`](https://github.com/jerivas/django-file-router/commit/919c76f0e073bb5b0a1dd8610a618081197e087a))
- handle empty urls when `append_slash=True` ([`61bce55`](https://github.com/jerivas/django-file-router/commit/61bce55de1740042cdfba523e3e8384036a9f83b))
- use underscores in urlnames and handle __init__.py ([`911a8cd`](https://github.com/jerivas/django-file-router/commit/911a8cd3ee6a54237ddfc93a7400de54a625df93))

New features:

- allow views to manually specify their url pattern and name ([`d5edf7a`](https://github.com/jerivas/django-file-router/commit/d5edf7a3611a9a06fad91e0650fa30ed976ef79a))
- add auto-generated url names ([`a5611d3`](https://github.com/jerivas/django-file-router/commit/a5611d3d6fd6062dc8ae4f227555cf995b2cf838))

Initial release. Includes automatic URL pattern generation from folder structure and `render_str` helper function.