List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=name&page=5351
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "V Warm up for 2020 tournament",
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            "description": "Go! Go! Go!",
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                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
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            "description": "Lazításnak és bemelegítésnek egy kispályás körverseny. Gyertek, tépjétek le rólam az Élő-pontot!\n\nGyorsacska, napi 2 lépésre kalibrálva, de hétvégén szünet.",
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