List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=755
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Играем Аж не верю )))))))))))))",
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                "username": "ละ... วาง...",
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            "description": "ศึกษาการตั้งค่า... และเตรียมข้อมูลไปคอมเม้นต์ที่ค่ายครับ...",
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