cznic/public: links for fred-pain

INFO: Because this project isn't in the mirror_whitelist, no releases from root/pypi are included.

cznic/public fred_pain-1.6.0.tar.gz
cznic/public fred_pain-1.6.0-py3-none-any.whl
cznic/public fred_pain-1.5.0.tar.gz
cznic/public fred_pain-1.5.0-py3-none-any.whl
cznic/public fred-pain-1.4.0.tar.gz
cznic/public fred_pain-1.4.0-py3-none-any.whl