List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=1125
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Thank you guys for joining my first tournament(Surrounding game). I made another one that I hope will be more fun.",
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            "description": "Hi everyone, thanks for joining us in the NP x SIM Friendly Competition 2020. This is the first time a Friendly competition is organized for NP and SIM Weiqi club. \n\nThis competition serves to strengthen the bonds between NP and the SIM Weiqi club, and I hope that this can continue for years to come. Cheers for Club Growth!!!",
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            "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842",
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                "name": "9x9 Lovers",
                "summary": "A group for Go players who love the 9x9 board.",
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            "description": "This Torment is fun.",
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            "description": "My first created tournament: i enabled handicap to make it fair competition. Lets see how it works. Have fun and good games!",
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                "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n          In Your 💖 Go to Universes everywhere",
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