headless_cms-1.0.3/headless_cms.routing.yml

headless_cms.settings:
  path: '/admin/config/headless-cms'
  defaults:
    _controller: '\Drupal\system\Controller\SystemController::systemAdminMenuBlockPage'
    _title: 'Headless CMS'
  requirements:
    _permission: 'administer headless_cms settings'