loongson/pypi: links for contarg

loongson/mirror contarg-0.0.4.tar.gz
loongson/mirror contarg-0.0.4-py3-none-any.whl
loongson/mirror contarg-0.0.3-py3-none-any.whl
loongson/mirror contarg-0.0.1-py3-none-any.whl