List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=66
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "subsequent_pairing_method": "random",
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            "started": "2023-01-29T04:00:30.518412Z",
            "ended": "2023-05-04T01:19:23.558423Z",
            "start_waiting": "2023-01-29T04:00:30.381225Z",
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}