配布物のアップロード
twineでPyPIにアップロード
twine check
https://twine.readthedocs.io/en/stable/#twine-check
Checks whether your distribution’s long description will render correctly on PyPI.
（twine register）
https://twine.readthedocs.io/en/stable/#twine-register
Pre-register a name with a repository before uploading a distribution.
Pre-registration is not supported on PyPI
twine upload
https://twine.readthedocs.io/en/stable/#twine-upload
Uploads one or more distributions to a repository.
ドキュメントにあるのはこの3つのコマンドだけ（シンプル！）