Admin: get information about the assets
- list of assets:
  - path
  - type (audio, image)
  - for images:
    - format
    - size in bytes
    - height, width
  - for audio files:
    - format
    - length
    - sampling rate?
Admin: get information about the assets: - list of assets:
  - path
  - type (audio, image)
  - for images:
    - format
    - size in bytes
    - height, width
  - for audio files:
    - format
    - length
    - sampling rate?