root/pypi: links for nec-pd-sdk

root/pypi nec_pd_sdk-23.8.22.tar.gz
root/pypi nec_pd_sdk-23.8.21.tar.gz
root/pypi nec_pd_sdk-18.2.231.tar.gz
root/pypi nec_pd_sdk-18.2.221.tar.gz
root/pypi nec_pd_sdk-17.4.61.tar.gz
root/pypi nec_pd_sdk-17.3.231.zip