List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=1717
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "started": "2023-03-05T04:00:52.763371Z",
            "ended": "2023-05-07T03:44:50.182897Z",
            "start_waiting": "2023-03-05T04:00:52.631928Z",
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}