root/pypi: links for observatory

root/pypi observatory-2.0.0.tar.gz
root/pypi observatory-2.0.0-py3-none-any.whl
root/pypi observatory-1.0.1.tar.gz
root/pypi observatory-1.0.1-py3-none-any.whl
root/pypi observatory-0.2.0-py3-none-any.whl