List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-description&page=1252
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "subsequent_pairing_method": "strength",
            "min_ranking": 5,
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            "analysis_enabled": true,
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            "started": "2022-05-10T19:00:09.733626Z",
            "ended": "2022-05-10T20:26:05.432885Z",
            "start_waiting": "2022-05-10T19:00:09.464767Z",
            "board_size": 9,
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}