List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=18
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "analysis_enabled": true,
            "exclusivity": "open",
            "started": "2020-08-13T08:00:21.263402Z",
            "ended": "2020-08-13T08:00:21.206472Z",
            "start_waiting": "2020-08-13T08:00:21.114609Z",
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}