List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=52
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-min_ranking&page=51",
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            "id": 3316,
            "name": "Sitewide November 2014 Dans & SDKs Live 19x19 - 9. November",
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            "name": "Simple Correspondence 19x19 SDK 2021 April",
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