Initial YAML for basic card. WTF?

configuration.yaml

title: Chez Cran
views:
  - path: default_view
    title: Home
    badges:
      - person.rob
      - sun.sun
    cards:
      - type: entities
        title: Lights
        show_header_toggle: false
        entities:
          - entity: switch.lamp
            icon: 'mdi:lamp'
          - entity: light.deck_lights
            icon: 'mdi:car-light-dimmed'
          - entity: light.porch_light
            icon: 'mdi:ceiling-light'
          - entity: light.front_stairs
            icon: 'mdi:track-light'
          - entity: light.test
            icon: 'mdi:lamp'
      - type: weather-forecast
        entity: weather.chez_cran
      - type: media-control
        entity: media_player.crancast