List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5824
HTTP 200 OK
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Content-Type: application/json
Vary: Accept

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            "description": "Welcome! Players are expected to play at least 2 moves per day. No pause.There is no mid-game analysis so have fun with your imagination ^^.",
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                "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!",
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                "id": 78,
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        {
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                "username": "eaglejoy",
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