Drupal 8 translatable configuration

crtib_configurator.config_translation.yml

crtib_configurator.settings:
  title: 'CRTIB configurator settings'
  base_route_name: crtib_configurator.settings
  names:
    - crtib_configurator.settings

crtib_configurator.links.menu.yml

crtib_configurator.admin_settings_link:
  title: 'CRTIB configurator settings'
  description: 'Configure settings for the CRTIB configurator module.'
  route_name: crtib_configurator.settings
  parent: 'system.admin_config_services'

crtib_configurator.routing.yml

crtib_configurator.settings:
  path: '/admin/config/crtib/configurator/settings'
  defaults:
    _form: '\Drupal\crtib_configurator\Form\SettingsForm'
    _title: 'CRTIB Configurator settings'
  requirements:
    _permission: 'configure crtib configurator'

crtib_configurator.schema.yml

crtib_configurator.settings:
  type: config_object
  label: 'CRTIB configurator settings'
  mapping:
    api_url:
      type: label
      label: 'API url'

crtib_configurator.settings.yml

api_url: 'http://localhost/'
langcode: en