List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-exclusivity&page=5456
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "For those who don't like eternal correspondence games, this is a 2 days maximum Swiss. Afterwards we can choose some games to review with stronger players.\n\nWe'll start as soon as we have around 10 players.",
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            "description": "Hello fellow people, would you can't to start a small/short tournament...?",
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