List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5824
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "тест один.",
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                "name": "New Zealand Tournaments",
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        {
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            "started": "2020-08-11T07:57:11.631469Z",
            "ended": "2020-08-18T02:12:29.457256Z",
            "start_waiting": "2020-08-11T07:57:11.280868Z",
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}