List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=380
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "我的心機會率先生活中的人的人都係咁多人的人都係咁",
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            "description": "Happy new year! Join this tournament!",
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