retrieve:
Return the details about the given Public id.

list:
List all Public objects.

GET /api/v1/publics/4/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 4,
    "fr_label": "Industries/partenaires",
    "en_label": "Industries/partners",
    "de_label": "Industrie/Partner"
}