Adding new command to configure new site language

drush.services.yml

 services:
   uw_cfg_common.commands:
     class: Drupal\uw_cfg_common\Commands\UwDrushCommands
-    arguments: ['@entity_type.manager', '@uw_cfg_common.missing_blocks', '@config.factory', '@module_handler', '@module_installer']
+    arguments: ['@entity_type.manager', '@uw_cfg_common.missing_blocks', '@config.factory', '@module_handler', '@module_installer', '@uw_multilingual.setup_new_language']
     tags:
       - { name: drush.command }