Added Transifex link to get involved page.

get-involved.html

@@ -51,7 +51,7 @@
 
           <p>We're looking for volunteers to contribute to all aspects of the project, including design, development, documentation, translation and testing. We're happy to provide guidance or mentoring for less experienced contributors.</p>
 
-          <p>If you're interested in getting involved or following the progress of the project, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-devel">join the development mailing list</a> or email <a href="mailto:contact@briarproject.org">contact@briarproject.org</a> [<a href="keys/contact.asc">PGP key</a>].</p>
+          <p>If you're interested in getting involved or following the progress of the project, please <a href="https://lists.sourceforge.net/lists/listinfo/briar-devel">join the development mailing list</a> or email <a href="mailto:contact@briarproject.org">contact@briarproject.org</a> [<a href="keys/contact.asc">PGP key</a>]. Translators can volunteer through our <a href="https://transifex.com/otf/briar">Transifex project</a>.</p>
 
           <p>All our software is open source - you can <a href="https://code.briarproject.org/akwizgran/briar/tree/master">browse the source code</a> or <a href="building.html">build the app from source</a>.