loongson/pypi: links for ad-interface-functions

loongson/mirror ad-interface-functions-0.21.tar.gz
loongson/mirror ad_interface_functions-0.21-py3-none-any.whl
loongson/mirror ad-interface-functions-0.20.tar.gz
loongson/mirror ad_interface_functions-0.20-py3-none-any.whl
loongson/mirror ad-interface-functions-0.19.tar.gz
loongson/mirror ad_interface_functions-0.19-py3-none-any.whl