This is a quick followup to LICENSE file handing to closer match the current
draft of [PEP 639](https://peps.python.org/pep-0639). It also removes the
automatic optional Rich logging, which doesn't work well with Pip's subprocess
piping, being cropped to a very narrow width regardless of terminal size.
Fixes:
- Add `License-file` metadata entry & update default by henryiii in 329
- Drop optional Rich logging/error by henryiii in 330
Other:
- Update PyPI links by henryiii in 331