[tor-l10n] Add external translation resources to the L10n wiki

[tor l10n team]

Hello everyone!

As discussed during the Tor Localization Hangout, we intend to add
external translation resources to the L10n wiki. We already added a
couple of entries to the wiki [1].

I have also filed a ticket regarding this on the bug tracker [2]. If
you're aware of any such tools, resources, tips, etc. please feel free
to comment on the ticket or reply to this email with a link and a brief
description of the tool. Thanks!

[1]: https://gitlab.torproject.org/tpo/community/l10n/-/wikis/Localization-for-translators#external-translation-resources
[2]: https://gitlab.torproject.org/tpo/community/l10n/-/issues/40043

Best,

-- Joydeep
irc: championquizzer