List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclusivity&page=241
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "始めてのスイス方式でのトーナメントです。どのような開催になるか予想がつきませんが、よろしくお願い致します。1局1週間程度以内でお願いします。 楽しみましょう!",
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