List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=287
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "โ™‘Let's GO! ร  gogoTournament๐Ÿ‘๐Ÿ๐Ÿ #2",
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