cznic/public: links for django-secretary

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

cznic/public django_secretary-0.7.0.tar.gz
cznic/public django_secretary-0.7.0-py3-none-any.whl
cznic/public django_secretary-0.6.0.tar.gz
cznic/public django_secretary-0.6.0-py3-none-any.whl
cznic/public django_secretary-0.5.2.tar.gz
cznic/public django_secretary-0.5.2-py3-none-any.whl