root/pypi: links for sbol2build

root/pypi sbol2build-0.0b3.tar.gz
root/pypi sbol2build-0.0b3-py3-none-any.whl
root/pypi sbol2build-0.0b1.tar.gz
root/pypi sbol2build-0.0b1-py3-none-any.whl