Add Tor Browser Manual links for new locales
Complete translations of Tor Browser Manual for the following locales are now available:
de, nl, tr, vi
Once we have those posted on tb-manual.torproject.org (legacy/trac#23996 (moved)), we should link to them from Tor Browser by patching torbutton.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information