List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_per_move&page=193
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "Backend Serving Tournament #1",
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                "name": "Calendar BES",
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            "name": "STOP COVID-19",
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            "description": "🎖🏆🏅🥇🥈🥉",
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