List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3536
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "is_public": false,
                "admin_only_tournaments": false,
                "hide_details": false,
                "member_count": 7,
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            },
            "auto_start_on_max": true,
            "time_start": "2020-08-07T21:00:00Z",
            "players_start": 4,
            "first_pairing_method": "slide",
            "subsequent_pairing_method": "slaughter",
            "min_ranking": 5,
            "max_ranking": 38,
            "analysis_enabled": false,
            "exclusivity": "group",
            "started": "2020-08-08T18:27:26.876374Z",
            "ended": "2020-09-03T22:33:06.215322Z",
            "start_waiting": "2020-08-08T18:27:26.059575Z",
            "board_size": 19,
            "active_round": null,
            "icon": "https://user-uploads.online-go.com/f14c366bb96a6da105a731b126e384a7-15.png",
            "player_count": 4,
            "ranked": true
        }
    ]
}