minimum_maximum_order.routing.yml

minimum_maximum_order.admin_settings_form:
  path: '/admin/config/minimum_maximum_order/adminsettings'
  defaults:
    _form: '\Drupal\minimum_maximum_order\Form\MinimumMaximumOrderForm'
    _title: 'MinimumMaximumOrderForm'
  requirements:
    _permission: 'access administration pages'
  options:
    _admin_route: TRUE