List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=635
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Apparently I need to join my own tournaments to be included in them. Let's try this again. :|",
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                "summary": "Здесь я провожу разные турниры, рад новым участникам.",
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            "description": "english. hello this is a correspondence tournament 25kyu to 1dan can join this and make sure to have fun! And play your best :D",
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