component_library-1.0.x-dev/component_library.links.menu.yml

component_library.overview:
  title: Component library
  parent: system.admin_structure
  description: 'List of component library assets.'
  route_name: component_library.overview

component_library.override_mode:
  title: Override Mode
  parent: component_library.overview
  description: 'Configure Override Mode for this site.'
  route_name: component_library.override_mode.settings

entity.component_library_pattern.collection:
  title: Component library patterns
  parent: component_library.overview
  description: 'List of component library patterns.'
  route_name: entity.component_library_pattern.collection

entity.component_library_asset.overview:
  title: Component library assets
  parent: component_library.overview
  description: 'List of component library assets.'
  route_name: entity.component_library_asset.collection