loongson/pypi: links for flask-serial

loongson/mirror flask-serial-1.1.0.win-amd64.zip
loongson/mirror flask_serial-1.1.0-py3-none-any.whl
loongson/mirror flask-serial-1.0.4.win-amd64.zip
loongson/mirror flask_serial-1.0.4-py3-none-any.whl
loongson/mirror flask-serial-1.0.3.tar.gz
loongson/mirror flask_serial-1.0.3-py3-none-any.whl