List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5797
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Please enjoy this tournament! Haven't made one in a very long time. I need as many people as possible to join. Invite anyone!\n~ Boomerangos\n\n@ChatRoom404",
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