List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=166
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "cookies!",
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            "description": "GO AND EAT SOME COOKIES!",
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                "name": "Go Magic",
                "summary": "A modern platform for learning Go",
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