List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=4285
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Giochiamo 9x9 e vediamo come va",
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            "description": "Just a simple tournament (I'm not so good though). Join and have fun!",
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                "name": "7th World Collegiate WEICHI Championship",
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            "description": "Trying again as other one got set to live?",
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