[tor-relays] MyFamily bridge support

Regarding MyFamily, there's a new MyFamily proposal that will include bridges, please check this thread and spec:

https://gitlab.torproject.org/tpo/core/torspec/-/blob/main/proposals/321-hap... https://lists.torproject.org/pipermail/tor-relays/2021-November/019954.html

the related issue discusses MyFamily bridge support https://gitlab.torproject.org/tpo/core/tor/-/issues/40134#note_2759481 -- https://nusenu.github.io