List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=5998
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "In this first experiment, we'll try to create a\n\n**Double Round-Robin**",
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            "description": ".................................................................any pauses will be disqualified                                         ps. new type of tournament, OpenGotha BETA",
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            "id": 95635,
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                "icon": "https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png",
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