root/pypi: links for seisnn

root/pypi SeisNN-0.5.0.dev0.tar.gz
root/pypi SeisNN-0.5.0.dev0-py3-none-any.whl
root/pypi SeisNN-0.0.2.dev1.tar.gz
root/pypi SeisNN-0.0.2.dev1-py3-none-any.whl