license (pyproject.toml)
The table may have one of two keys.
「fileまたはtextのどちらかを指定する」
license = {file = "LICENSE"}
The file key has a string value that is a file path relative to pyproject.toml to the file which contains the license for the project.
license = {text = "MIT License"}
The text key has a string value which is the license of the project.