root/pypi: links for pdfextools

root/pypi pdfextools-0.3.0.tar.gz
root/pypi pdfextools-0.3.0-py3-none-any.whl
root/pypi pdfextools-0.2.0.tar.gz
root/pypi pdfextools-0.2.0-py3-none-any.whl