List all avatars

curl --request GET \
  --url https://api.argil.ai/v1/avatars \
  --header 'x-api-key: <api-key>'

[
  {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "createAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "gestures": [
      {
        "label": "<string>",
        "slug": "<string>",
        "startFrame": 123
      }
    ],
    "status": "NOT_TRAINED",
    "width": 123,
    "height": 123,
    "thumbnailUrl": "<string>",
    "coverImageUrl": "<string>",
    "extras": {}
  }
]