List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=883
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "<h1> &#20;  &#20;  If you want to join please leave massage to the tournament chat or private chat, thanks.  </h1>\n\nLet's venture together to take the treasure and have so many fun!",
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