List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=description&page=5086
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "subsequent_pairing_method": "slaughter",
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            "analysis_enabled": true,
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            "ended": "2025-06-01T10:32:55.939813Z",
            "start_waiting": "2025-01-24T11:50:50.790446Z",
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}