List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=description&page=4438
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Every now and then I remember we have this group.\nLet's make use of it!\n\nHave a nice tournement all!",
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