List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=time_per_move&page=5444
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Win the title \"big tournament 9X9 2022\" !!!\nJoin the group \"club hikaru no go\", otherwise you will be eliminated",
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            "description": "Have a happy 2020!",
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