root/pypi: links for bluetin-echo

root/pypi Bluetin_Echo-0.2.0.tar.gz
root/pypi Bluetin_Echo-0.2.0-py3-none-any.whl
root/pypi Bluetin_Echo-0.1.1.tar.gz
root/pypi Bluetin_Echo-0.1.1-py3-none-any.whl
root/pypi Bluetin_Echo-0.1.0.tar.gz