retrieve:
Return the details about the given Theme id.

list:
List all Theme objects.

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

{
    "count": 11,
    "next": "http://actu.epfl.ch/api/v1/themes/?limit=10&offset=10",
    "previous": null,
    "results": [
        {
            "id": 11,
            "fr_label": "AI",
            "en_label": "IA",
            "de_label": "KI"
        },
        {
            "id": 6,
            "fr_label": "Construction",
            "en_label": "Building",
            "de_label": "Bau"
        },
        {
            "id": 10,
            "fr_label": "Cybersécurité",
            "en_label": "Cybersecurity",
            "de_label": "Cybersicherheit"
        },
        {
            "id": 5,
            "fr_label": "Durabilité",
            "en_label": "Sustainability",
            "de_label": "Nachhaltigkeit"
        },
        {
            "id": 8,
            "fr_label": "Economie/Finance",
            "en_label": "Economy/Finance",
            "de_label": "Wirtschaft/Finanzen"
        },
        {
            "id": 9,
            "fr_label": "Energie",
            "en_label": "Energy",
            "de_label": "Energie"
        },
        {
            "id": 3,
            "fr_label": "Informatique",
            "en_label": "Computer Science",
            "de_label": "Informatik"
        },
        {
            "id": 4,
            "fr_label": "Ingénierie",
            "en_label": "Engineering",
            "de_label": "Ingenieurwissenschaften"
        },
        {
            "id": 2,
            "fr_label": "Santé",
            "en_label": "Health",
            "de_label": "Gesundheit"
        },
        {
            "id": 1,
            "fr_label": "Sciences de base",
            "en_label": "Basic Sciences",
            "de_label": "Grundlagenwissenschaften"
        }
    ]
}