root/pypi: links for sphinxext-pwa

root/pypi sphinxext-pwa-0.0.3a0.tar.gz
root/pypi sphinxext_pwa-0.0.3a0-py3-none-any.whl
root/pypi sphinxext-pwa-0.0.1a0.tar.gz
root/pypi sphinxext_pwa-0.0.1a0-py3-none-any.whl