List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=min_ranking&page=5123
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Hello Guys! anyone can apply for this competition! what is happypand.sg?\nhappypand.sg is a youtube channel. There will be information about the competition in the community!\nHave fun!\n\nHappyPand.sgYT",
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            "description": "おそらく、今年最後のOGSトーナメントかと。皆様のご参加お待ちしています。前回同様スイス方式で開催させて頂きます。",
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