List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=651
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "started": "2021-03-16T13:00:35.192191Z",
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            "start_waiting": "2021-03-16T13:00:35.111199Z",
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}