List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-description&page=904
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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            "started": "2022-08-03T11:28:20.254192Z",
            "ended": "2022-10-04T19:43:32.403426Z",
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}