files:
  abc123: # hash key
    num_link: 1
    path_source: /path/to/source/files/file1.jpg
    path_raindrop1: /path/to/source/files/file1.jpg
    data_source: #url or origin
    license:
  def456: # hash key
    path: /path/to/source/files/file2.jpg
  ghi789: # hash key
    path: /path/to/source/files/with/effects/file1.jpg