Handle creating and updating user profiles.

GET /api/userprofile/?format=api&offset=840
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 842,
    "next": null,
    "previous": "https://catalogue.france-bioinformatique.fr/api/userprofile/?format=api&limit=20&offset=820",
    "results": [
        {
            "firstname": "romuald",
            "lastname": "marin",
            "orcidid": null,
            "homepage": null,
            "expertise": []
        },
        {
            "firstname": "David",
            "lastname": "Vallenet",
            "orcidid": null,
            "homepage": null,
            "expertise": []
        }
    ]
}