List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-description&page=1230
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "McMahon Test Tournament.",
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            "description": "McMahon Test for Live play. Please pause clocks when tournament starts.",
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                "name": "Shūi No Ryu",
                "summary": "OGS group for Shūi No Ryu Insei Class.",
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        {
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