List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=rules&page=4
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=rules&page=3",
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                "name": " 无间勤碁术化  Go Advance forward forever",
                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
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            "description": "wanna play a tornament quickly? come on in!\nthis one will start quickly",
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                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
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                "summary": "A group for Instructure-ites to play in. http://www.instructure.com",
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            "description": "To become Better and Better go players\n ",
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