Link BBB policy in tpa documentation
core contributors can't find bbb service policy, we should link in tpa docs:
https://gitlab.torproject.org/tpo/community/team/-/wikis/Tor-Project-BBB-Account-Policy
core contributors can't find bbb service policy, we should link in tpa docs:
https://gitlab.torproject.org/tpo/community/team/-/wikis/Tor-Project-BBB-Account-Policy