List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=-rules&page=5986
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "PunWangKing 9k 李敬謙 9k 勞知樂 10k 戴仲厚 10k",
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