List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=name&page=4879
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Double Elimination Tournament\n\nWARNING: Tournament will start when there will be 120 players or on may 5th\n\n\nRecommend a movie you like in chat and join the tournament!",
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                "name": "Final Frontier",
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