List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=rules&page=315
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Happy Chinese New Year of the Monkey!\n猴年新春快樂",
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                "name": "Single Digit Kyu Room",
                "summary": "A room for SDK's \r\n",
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