my_dataset/metadata.json

{
    "description": "A simple dataset with two images of a cat and a dog.",
    "license": "CC BY-SA 4.0",
    "keywords": [
        "image classification",
        "pets"
    ],
    "features": {
        "image": {
            "_type": "Image"
        },
        "label": {
            "names": [
                "cat",
                "dog"
            ],
            "_type": "ClassLabel"
        }
    }
}