Django-quotes

[Compare the full difference](https://github.com/andrlik/django-quotes/compare/v0.2.0...v0.2.1)

- Enable type annotations with py.typed.

[Compare the full difference](https://github.com/andrlik/django-quotes/compare/v0.1.3...v0.2.0)

- `SourceGroups` no longer require a unique name (since users won't know what else is there anyway).
- New slug generation to ensure that slugs remain unique.
- It is no longer possible to specify a slug within a given create form for either `SourceGroup` or `Source` objects.

[Compare the full difference](https://github.com/andrlik/django-quotes/compare/v0.1.2...v0.1.3)

- Adds a configuration option for controlling how many quotes should be retrieved for random quote selection from a
`SourceGroup`. To make use of this option, add the variable `MAX_QUOTES_FOR_RANDOM_GROUP_SET` to your project's
`settings.py`.
- Bugfix: `SourceGroup` random group selection now prioritizes quotes that have been served less often via the
`QuoteStats.times_used` value. This was already the case when selecting from a single `Source`, but the behavior
is now consistent for `SourceGroup` as well.

- Adds a configuration option for controlling how many quotes should be retrieved for random quote selection.
To make use of this option, add the variable ``MAX_QUOTES_FOR_RANDOM_SET`` in your project's ``settings.py`` file.