docs: Add a page listing supported proxies. (#1907)
docs: Add a page listing supported proxies. (#1907)

Co-authored-by: James Elliott <87071fd3955111815744f01080f64a1f73f3e8d6@users.noreply.github.com>
clems4ever/two-factor-auth-server,clems4ever/two-factor-auth-server