List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=21
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "🍰🍰🍰 я в прошлом году готовила клафути с клубникой, это было вкусно и нежно!!!!",
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                "summary": "Заходи в группу тут много интересного,заранее спасибо))\nCome to the group here a lot of interesting things, thank you in advance))",
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