Include moving thumbnails

[johtso]

Would be great if moving thumbnail urls could also be extracted.

They seem to be included here in the YTInitialdata object:

"richThumbnail": {
    "movingThumbnailRenderer": {
        "enableHoveredLogging": true,
        "enableOverlay": true,
        "movingThumbnailDetails": {
            "logAsMovingThumbnail": true,
            "thumbnails": [
                {
                    "height": 180,
                    "url": "https://i.ytimg.com/an_webp/mX_fQyxKiPQ/mqdefault_6s.webp?du=3000&sqp=CKylo4MG&rs=AOn4CLAJhoHhnxxaA_M2UDkLjamaqy4ViQ",
                    "width": 320
                }
            ]
        }
    }
}

[TimeForANinja]

will put it on the list but might take a while