List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=402
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Welcome and have fun :)\n                                                           \n                                                                 \nPauses are not allowed.                                    \nPauses are not allowed.                                         \nPauses are not allowed.",
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