This class can be used to retrieve a list of available assets.

Currently returns only the highest version available for assets
that are not experiments.

This model can be used, for example, to populate the content of
combo boxes when there's a need to show a list of available
dataformats.

This will run sphinx the same way as in the CI.

- Moved test into a class
- Use fixture for model creation

Can be used as a starting point for the field editor.

beat.editor will be using pytest

Requires pip-licenses

bandit checks for common code security issues

Based on the recommendation of black for python