gradient_server-1.0.x-dev/modules/source/source.links.menu.yml

# Source menu items definition
entity.source.collection:
  title: 'Source list'
  route_name: entity.source.collection
  description: 'List Source entities'
  parent: system.admin_content
  weight: 100


# Source type menu items definition
entity.source_type.collection:
  title: 'Source types'
  route_name: entity.source_type.collection
  description: 'List Source type (bundles)'
  parent: system.admin_structure
  weight: 99