List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=1485
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Here is an extra 9x9 tournament so they are every two hours instead of 4. Please join the tournament. I tried to make it as similar to the auto sitewide tournament as possible(besides the start time)",
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