List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=203
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "그냥 좀 두고 싶으신 분들 이리 오세요. \n\nJust play, playing only, please play.",
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                "summary": "어린이 특별 환영!\n어른들도 환영합니다.",
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            "description": "More at forum: https://forums.online-go.com/t/fsts-ddk-best-of-100-series/2996",
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