List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=672
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "started": "2024-06-13T04:00:51.550157Z",
            "ended": "2024-08-01T01:36:44.672927Z",
            "start_waiting": "2024-06-13T04:00:51.479129Z",
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}