sidekick-1.0.x-dev/config/schema/sidekick.schema.yml

sidekick.settings:
  type: config_object
  label: 'Sidekick settings'
  mapping:
    api_key:
      type: string
      label: 'API Key'
    display_type:
      type: string
      label: 'Show Sidekick in Sidebar'