Audbcards

--------------------------

* Added: initial release,
including the classes
``audbcards.Datacard``
and ``audbcards.Dataset``,
and the ``audbcards.sphinx`` extension


.. _Keep a Changelog:
https://keepachangelog.com/en/1.0.0/
.. _Semantic Versioning:
https://semver.org/spec/v2.0.0.html