List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-rules&page=5608
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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                "summary": "The home for all of the old OGS mini tournaments",
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                "admin_only_tournaments": false,
                "hide_details": false,
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                "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg"
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            "auto_start_on_max": true,
            "time_start": "2015-11-09T23:00:00Z",
            "players_start": 6,
            "first_pairing_method": "random",
            "subsequent_pairing_method": "random",
            "min_ranking": 0,
            "max_ranking": 36,
            "analysis_enabled": false,
            "exclusivity": "open",
            "started": "2015-10-25T17:45:22.445614Z",
            "ended": "2016-03-28T12:31:36.865450Z",
            "start_waiting": "2015-10-25T17:45:20.762676Z",
            "board_size": 19,
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            "player_count": 10,
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}