List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3421
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Join, play and win on time!\n\nPro-tip: set email notifications!\n\n!! Vacation means disqualification !!",
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