tawk_to.links.menu.yml

tawk_to.index:
  title: 'Tawk.to'
  route_name: tawk_to.index
  menu_name: admin
  parent: system.admin_config_services

tawk_to.widget:
  title: 'Tawk.to - Widget Settings'
  route_name: tawk_to.widget
  menu_name: admin
  parent: tawk_to.index
  weight: 1

tawk_to.extra_settings:
  title: 'Tawk.to - Extra Settings'
  parent: tawk_to.index
  route_name: tawk_to.extra_settings
  weight: 2