root/pypi: links for z5-tracker

root/pypi z5-tracker-1.2.1.tar.gz
root/pypi z5_tracker-1.2.1-py3-none-any.whl
root/pypi z5-tracker-1.2.0.tar.gz
root/pypi z5_tracker-1.2.0-py3-none-any.whl