List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=5348
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Just to see how many Indian Go players are actually active on this site :D",
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            "ended": "2019-09-03T18:28:46.328771Z",
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}