Ffmpeg-bitrate-stats

* Fix readme and add license file.

* Add flake8 to tox, update GH actions.

* Fix tox invocation.

* Fix apt in CI.

* Add tox and fix types.

* Update gitignore.

* Add mypy settings.

* Remove stalebot.

* Fix readme badge.

* Fix changelog.

* Fix setup script.

* Update README.

* Add github workflows.

* Add note on old executable in readme.

* Add API, types and docs.

* Bump python version, cleanup.

* Update python requirements.

* Add another console entry point.

* Update python requirements.

* Remove delta-PTS calculation, replace with duration.

this makes everything conceptually easier

* Update badge link.

* Improve setup.py.

* Remove release script.

* Fix syntax error.

* Format setup.py and switch to markdown.

* Update badge URL.

* Remove obsolete file.

* Make test executable.