List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=719
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "name": "Happy Go!!!",
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            "ended": "2024-02-14T02:05:26.728710Z",
            "start_waiting": "2024-02-01T04:00:02.389696Z",
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}