root/pypi: links for gym-miniworld

root/pypi gym_miniworld-2020.1.9.tar.gz
root/pypi gym_miniworld-2020.1.9-py3-none-any.whl
root/pypi gym_miniworld-2018.8.1.tar.gz
root/pypi gym_miniworld-2018.8.1-py3-none-any.whl