bbdevs/private: links for passagemath-database-stein-watkins

root/pypi passagemath_database_stein_watkins-10.6.17.tar.gz
root/pypi passagemath_database_stein_watkins-10.6.16.tar.gz
root/pypi passagemath_database_stein_watkins-10.6.15.tar.gz
root/pypi passagemath_database_stein_watkins-10.6.14.tar.gz
root/pypi passagemath_database_stein_watkins-10.6.13.tar.gz
root/pypi passagemath_database_stein_watkins-10.6.12.tar.gz