farmOS-dev/web/modules/migrate_source_ui/migrate_source_ui.links.menu.yml

migrate_source_ui.menu:
  title: 'Migrate Source UI'
  parent: system.admin_content
  enabled: 1
  route_name: migrate_source_ui.form
migrate_source_ui.settings:
  title: 'Migrate Source UI Settings'
  parent: system.admin_config_content
  enabled: 1
  route_name: migrate_source_ui.settings