List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=description&page=4923
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "May's been over for such a long time and whereas my tournament hasn't. I've missed June, but here is the October tournament, a slightly different one...",
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