List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-player_count&page=544
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Let’s have another short and fun 9x9 tournament, we are mostly beginners so don’t be afraid to join in on the fun, see you tuesday night, cheers!",
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            "description": "Hi! This competition will be held on 1st Feb! Have fun everyone!",
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