List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=669
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-name&page=668",
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                "summary": "ONLY FOR MY FRIENDS! SO FRIEND ME NOW!",
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            "description": "kyu players only Have fun^^",
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            "description": "Let's start a tournament here. Invite some more players from SD to join!",
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                "summary": "For players in the San Diego area and their friends everywhere.",
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            "description": "Weeeee Firt Compition!",
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            "description": "I will watch your games, and comment on them.",
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