List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-description&page=5295
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "ended": "2026-01-26T11:44:45.270184Z",
            "start_waiting": "2025-12-10T14:36:45.429981Z",
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}