Orbot doesn't use separate torrcs, and overrides & overwrites user-set torrcs
You can use multiple torrc
files simultaneously. RTFM
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information
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.
You can use multiple torrc
files simultaneously. RTFM