List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=4781
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=4780",
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                "username": "傳碁學園",
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                "name": "BeginnerGo",
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            "id": 64944,
            "name": "Autumn olympic games 2020(№5) (19х19)",
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                "username": "Korotrov 19",
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            "description": "The tournament starts in early November.",
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                "name": "Go Basics",
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            "description": "It is practically practice so do not worry if you lose",
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            "name": "1 -> 張溢滇 2 -> 黃暐升",
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        {
            "id": 66125,
            "name": "Mingren Nines Title Tournament 2020",
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