GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.

BridgeDB SMTP server settings are hardcoded

See Server.py:518

self.smtpServer = "127.0.0.1" # XXX should make configurable

     self.smtpServer = "172.22.121.1"

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information