Return the list of public data files.

GET /api/public-data/?offset=7600
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Cache-Control: max-age=0, no-cache, no-store, must-revalidate
Content-Type: application/json
Expires: Fri, 19 Apr 2024 14:41:48 GMT
Vary: Accept

{
    "count": 7561,
    "next": null,
    "previous": "https://research.openhumans.org/api/public-data/?limit=100&offset=7500",
    "results": []
}