Audio

blocks:
  - type: audio
    heading: {} # (optional)
      surtitle: '' # string (optional)
      title: '' # string (optional)
      text: '' # markdown (optional)
    audio: {}
      mp3: '' # url (optional)
      ogg: '' # url (optional)
      autoplay: false # boolean
      loop: false # boolean
      transcription: '' # string (optional)
    background: false # boolean (optional)