List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-name&page=3529
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Ông Vua màn đêm\n\n---\n\nVô địch: 500k\n\nÁ quân: 250k\n\n3-4: 50k",
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