List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=557
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "### Enjoy one of the new tournament types: Double Elimination! :)",
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            "description": "Suerte y que sea un año lleno de go en nuestras vidas!!",
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