root/pypi: links for stc8isp

root/pypi stc8isp-0.3.1.tar.gz
root/pypi stc8isp-0.3.1-py3-none-any.whl
root/pypi stc8isp-0.3.0.tar.gz
root/pypi stc8isp-0.3.0-py3-none-any.whl