Get IUK software translated

Waiting for it to be added to Transifex: https://trac.torproject.org/projects/tor/ticket/10123

Parent Task: #6014 (closed)

Related issues

Blocks #5754 (closed)
Blocks #6475 (closed)

Original created by @intrigeri on 6450 (Redmine)

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