List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=exclusivity&page=147
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Bonjour à tous !\n\nJe vous propose un tournoi pour les joueurs francophones et pour le plaisir. Rejoignez notre groupe !\n\nÉdouard.",
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