root/pypi: links for semtagger

root/pypi semtagger-4.0.0a2.tar.gz
root/pypi semtagger-4.0.0a2-py3-none-any.whl
root/pypi semtagger-4.0.0a1.tar.gz
root/pypi semtagger-4.0.0a1-py3-none-any.whl