List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3235
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Wanna try a double elimination tournament for kyu players? Then join this one. :D It's a correspondence tourney, but kinda fast (3 moves/day at least). Enjoy!",
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            "description": "First tournament of the GO Italia - Round Robin Series. The tournament will start as soon as 10 players join in.\nEnjoy, and onegai shimasu! :D",
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