Add English lng file

Author: helmo

interface/web/admin/lib/lang/en_server_config.lng

@@ -356,4 +356,10 @@ $wb['jailkit_hardlinks_allow_txt'] = 'Allow hardlinks within the jail';
 $wb['jailkit_hardlinks_no_txt'] = 'No, remove hardlinked files';
 $wb['jailkit_hardlinks_yes_txt'] = 'Yes, use hardlinks if possible';
 $wb['mailbox_soft_delete_txt'] = 'Mailbox soft delete';
-$wb['mailbox_soft_delete_info_txt'] = 'by default cleaned up after 7 days.';
+$wb['soft_delete_directly_txt'] = 'Not enabled, delete directly';
+$wb['soft_delete_keep_indefinately_txt'] = 'Soft delete, leave cleanup for someone else';
+$wb['soft_delete_keep_1_txt'] = 'Purge after 1 day';
+$wb['soft_delete_keep_7_txt'] = 'Purge after 7 days';
+$wb['soft_delete_keep_30_txt'] = 'Purge after 30 days';
+$wb['soft_delete_keep_90_txt'] = 'Purge after 90 days';
+$wb['soft_delete_keep_365_txt'] = 'Purge after 365 days';