List all tournaments or create a new tournament.

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HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "name": "13x13 Open D.E. Cup #32",
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            "description": "แƒแƒ  แƒฌแƒแƒ’แƒ”แƒ‘แƒแƒ–แƒ” แƒ’แƒแƒ•แƒแƒ แƒ“แƒœแƒ",
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