Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=353
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"start_waiting": "2023-01-31T16:11:08.913114Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/0e2fd110d817a4183ba74caeb4f5d2d6-15.png", "player_count": 27, "ranked": true } ] }
