List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5713
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "두고 싶으신 분들을 위해 준비했습니다.\n하고 싶으신 분들은 들어와 주세요.\n어린이도 환영!",
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