List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=5648
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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            "description": "Tired of being laid waste by SDK?",
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