List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-time_start&page=3878
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-time_start&page=3877",
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            "description": "Can you have 0 people in a tournament?",
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                "id": 4456,
                "name": "Our Go House",
                "summary": "Hello this is Our Go House 🔰🔰\n😃🙃😊👋 YEET",
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