This patch adds the Yiddish language to Koha. The language codes were
taken from https://www.loc.gov/standards/iso639-2/php/code_list.php
Sponsored-by: Universidad Nacional de San Martín
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
