Return the list of public data files.

GET /api/public-data/?format=api&offset=8100&source=direct-sharing-134
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Cache-Control: max-age=0, no-cache, no-store, must-revalidate, private
Content-Type: application/json
Expires: Sun, 20 Jul 2025 04:24:21 GMT
Vary: Accept

{
    "count": 8050,
    "next": null,
    "previous": "https://www.openhumans.net/api/public-data/?format=api&limit=100&offset=8000&source=direct-sharing-134",
    "results": []
}