List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=rules&page=18
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "This will be a yearly tournament for the 4th of July (USA's birthday). Have fun. :)",
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            "description": "JOIN THIS",
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