List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-handicap&page=5732
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Турнир для игры между участниками группы Йошкар-Ола для совместных игр и их разборов :)",
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            "name": "\"Just one game,\" they said, and began to play.  That was yesterday.",
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            "description": "3 Rounds; 2 weeks max Fischer time; starting Monday, or when we get 8 players.\nI like to listen to music while I consider my move.  If you do too, please comment with what you're listening to!",
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                "name": "Kyu Level Study Group",
                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
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            "name": "Sunday 30 May tournament",
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            "description": "<h2 style=\"color:red\">15 simultaneous games</h2>\n\n<h3>Auto handicap</h3>\n\n<hr/>\n\nJoin the group for more cat tournaments ^__^",
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