List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-description&page=1146
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": "2022-11-20T09:23:13.927376Z",
            "ended": "2023-01-13T01:09:56.323831Z",
            "start_waiting": "2022-11-20T09:23:12.491558Z",
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}