Include license file in the generated wheel package (#4404)
The wheel package format supports including the license file. This is
done using the [metadata] section in the setup.cfg file. For additional
information on this feature, see:
https://wheel.readthedocs.io/en/stable/index.html#including-the-license-in-the-generated-wheel-file
Distributing a wheel now complies with license:
> Redistributions in binary form must reproduce the above copyright
> notice, this list of conditions and the following disclaimer in the
> documentation and/or other materials provided with the distribution.