subscriptions-2.0.x-dev/subscriptions.links.menu.yml

subscriptions.config:
  title: 'Subscriptions'
  description: 'Site and user default settings for Subscriptions.'
  route_name: subscriptions.config
  parent: system.admin_config_system

subscriptions.config_default:
  title: 'Settings'
  route_name: subscriptions.config
  parent: subscriptions.config
  weight: -10