loongson/pypi: links for rosutils

loongson/mirror rosutils-0.0.20-py2.py3-none-any.whl
loongson/mirror rosutils-0.0.19-py2.py3-none-any.whl
loongson/mirror rosutils-0.0.18-py2.py3-none-any.whl
loongson/mirror rosutils-0.0.17-py3-none-any.whl
loongson/mirror rosutils-0.0.16-py3-none-any.whl