add translations to list-files

interface/web/admin/list/server_ip_map.list.php

interface/web/mail/list/mail_alias.list.php

interface/web/mail/list/mail_aliasdomain.list.php

interface/web/mail/list/mail_blacklist.list.php

interface/web/mail/list/mail_content_filter.list.php

interface/web/mail/list/mail_domain.list.php

interface/web/mail/list/mail_domain_catchall.list.php

interface/web/mail/list/mail_forward.list.php

interface/web/mail/list/mail_get.list.php

interface/web/mail/list/mail_relay_recipient.list.php

interface/web/mail/list/mail_spamfilter.list.php

interface/web/mail/list/mail_transport.list.php

interface/web/mail/list/mail_user.list.php

interface/web/mail/list/mail_whitelist.list.php

interface/web/mail/list/spamfilter_blacklist.list.php

interface/web/mail/list/spamfilter_policy.list.php

interface/web/mail/list/spamfilter_users.list.php

interface/web/mail/list/spamfilter_whitelist.list.php

interface/web/mail/list/xmpp_domain.list.php

interface/web/sites/list/cron.list.php