Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=879
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"2023-07-08T23:26:55.954483Z", "start_waiting": "2023-07-08T22:31:12.229337Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 88492, "name": "สาระRAILs361! 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This is a tournament for beginners and intermediates. 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