List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=5530
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "con mucho tiempo",
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            "description": "The first tournament of the group ! Join it !\nLe tournoi n°1 du groupe ! Rejoignez-le !",
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