Links to transifex end with .net, while it's .com
On https://www.torproject.org/getinvolved/translation-overview.html.en every link to transifex (like https://www.transifex.net/projects/p/torproject/) links to .net
They have "moved" from .net to .com (I had an account at .net and the same login works on .com)
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information