List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-min_ranking&page=79
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=-min_ranking&page=78",
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            "description": "Analysis disabled. Counting is easier with practice!",
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            "description": "THE FIRST SEASONAL DOUBLE ELIMINATION TOURNAMENT. HAVE FUN! REMEMBER TO COUNT :D - NO Conditional Moves",
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                "summary": "A room for SDK's \r\n",
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        {
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