List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=description&page=649
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "A Friendly game to get to know people's level.",
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            "description": "A Go tournament that (should) be rather quick and is starting soon!",
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            "description": "A Happy New Year and my birthday;)",
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