[build] Add job to publish package to PyPI

[build] Add job to publish package to PyPI

[release] Release v1.8.1

[dist] Release v1.8

[dist] Fix hang on Windows due to not creating console window #209

[dist] Prepare v1.7 release

[shared] Fix tqdm.logging_redirect_tqdm not respecting logger verbosity

Being tracked by tqdm/tqdm#1272 upstream.

[release] Prepare 1.7 Beta 2

[installer] Add desktop and start menu shortcuts

[dist] Ensure `python3 -m build` works by default

Include pre-built documentation with distribution and improve error messaging
when Tkinter is not available. Simplify download page and recommend pipx.

This is now the tagged release for v1.6.2 however no changes to the Python
or Windows distributions has been made, the only difference is for the
source distribution here on Github and in the releases branch.