List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=started&page=5816
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "不要亂下棋♟️。",
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            "description": "Anyone wants to be challenged by a noob player? Anyone can join this tournament! Contact me if you want to join my group. ~Destroyer802",
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