loongson/pypi: links for fernet256

loongson/mirror fernet256-3.0.0.tar.gz
loongson/mirror fernet256-3.0.0-py3-none-any.whl
loongson/mirror fernet256-2.0.0.tar.gz
loongson/mirror fernet256-2.0.0-py3-none-any.whl
loongson/mirror fernet256-1.0.0.tar.gz
loongson/mirror fernet256-1.0.0-py3-none-any.whl