loongson/pypi: links for pythonchesslibrary

loongson/mirror PythonChessLibrary-0.0.3.tar.gz
loongson/mirror PythonChessLibrary-0.0.3-py3-none-any.whl
loongson/mirror PythonChessLibrary-0.0.2.tar.gz
loongson/mirror PythonChessLibrary-0.0.2-py3-none-any.whl