List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-rules&page=5783
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "id": 3852,
                "name": "Hong Kong ",
                "summary": "First priority : HK people join plz                                                                     \nThis group welcomes everyone, but only if you don't be rude.",
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            "subsequent_pairing_method": "random",
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            "analysis_enabled": true,
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            "started": "2021-04-04T02:00:52.840623Z",
            "ended": "2021-09-11T14:44:52.559392Z",
            "start_waiting": "2021-04-04T02:00:52.546016Z",
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}