List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=auto_start_on_max&page=5414
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Something different this time - an elimination tournament!",
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            "description": "to plays. hav a lot of fun(^.^)",
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