arch-8.x-1.x-dev/modules/stock/arch_stock.links.menu.yml

arch_stock.warehouse.config:
  title: 'Stock settings'
  title_context: arch_stock
  parent: arch.settings
  route_name: arch_stock.stock.config

entity.warehouse.collection:
  title: 'Warehouses'
  title_context: arch_stock
  parent: arch_stock.warehouse.config
  route_name: entity.warehouse.collection