root/pypi: links for potentiostat

root/pypi potentiostat-0.0.4.tar.gz
root/pypi potentiostat-0.0.4-py3-none-any.whl
root/pypi potentiostat-0.0.3.tar.gz
root/pypi potentiostat-0.0.3-py3-none-any.whl