List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=-max_ranking&page=5868
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Tired of being laid waste by SDK?",
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            "description": "hi, I`m new but i though it would be nice to play something :)",
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