List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=auto_start_on_max&page=5613
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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                "id": 12123,
                "name": "HKGEA A班",
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        {
            "id": 121470,
            "name": "9x9 Mini League 10k-25k #258",
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            "name": "1 -> 黃暐升 2 -> 謝汶熹",
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