List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-players_start&page=5334
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=-players_start&page=5333",
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            "name": "Tie Tournament Test #2",
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            "description": "This is the test to determine who wins these tournaments if they are a tie after the 5 tiebreakers:\nStatus, Points, SOS, SODOS, Rank. Last time it was reverse order of joining the site and the tournament, so this time, with the same participants, they are going to join the tournament in the reverse order of last time. Ready GPs 2, 3, and 4? It is time for the answer to be revealed.",
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