List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=description&page=5459
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ",
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            "started": "2021-10-02T03:00:21.973834Z",
            "ended": "2022-10-31T18:31:07.740235Z",
            "start_waiting": "2021-10-02T03:00:21.757006Z",
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}