List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=4626
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=-time_per_move&page=4625",
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            "time_start": "2022-02-21T20:15:00Z",
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            "first_pairing_method": "slide",
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            "started": "2022-02-21T20:15:52.193232Z",
            "ended": "2022-02-21T23:41:07.243584Z",
            "start_waiting": "2022-02-21T20:15:52.088373Z",
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}