root/pypi: links for cv2-group

root/pypi cv2_group-0.3.0.tar.gz
root/pypi cv2_group-0.3.0-py3-none-any.whl
root/pypi cv2_group-0.2.0.tar.gz
root/pypi cv2_group-0.2.0-py3-none-any.whl