List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=exclusivity&page=264
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Bienvenidos a todos!",
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            "description": "This is Dan group, I will invite every Dan players(Due to not enough 1D-4D players, we decided to conbine 1D-4D to 5D players).",
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            "description": "i couldnt find a January 9 so here it is",
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            "description": "tutti dentro regà",
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