List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=102
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "8-10 kyu level players ... strong players say: \"the best defense is the attack\" ... i'm not a strong player ... i say: \"the best defense is the DEFENSE !\" ... let's see how it works ...",
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                "id": 710,
                "name": "Italian Group",
                "summary": "Questo è un gruppo creato per raccogliere tutti i giocatori italiani 😜",
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            "description": "Hey guys! This is the 9x9 version of the rank tournaments! (For advanced) Good luck!",
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            "description": "Even games ",
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                "name": "Single Digit Kyu Room",
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                "username": "eaglejoy",
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            "description": "Fast (3 move a day) correspondence tournament  Will start on Monday 28th if we have enough players",
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                "name": "Single Digit Kyu Room",
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        {
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