List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-players_start&page=5880
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.",
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            "exclusivity": "open",
            "started": "2022-01-12T02:00:09.398972Z",
            "ended": "2022-01-12T02:00:09.375629Z",
            "start_waiting": "2022-01-12T02:00:09.271009Z",
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}