List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-players_start&page=5532
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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        {
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            "name": "Kitty & puppy lovers friendly tournament #1",
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            "description": "🐈🐕🐸🐎🐂🐓🐒 community happy go",
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                "summary": "----------------------------------------------------------------------------------------------------------------------",
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