List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=569
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "hey guys PLEASE join this turnament and join the group ty\n\n\n\n\n:D",
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            "description": "Lange Zeitkontrolle, aber ich hoffe wir können das heute beenden.",
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