List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=692
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "100 Little Lions Tournament",
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                "username": "GoIsGo",
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            "description": "We have hit 100 members! In honor of that we should fight it out! Pairing is random! Single elimination, lets have fun and watch some high level Go.",
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                "name": "The Nines 9x9 ",
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                "summary": "<b>Calendrier de la session 3</b><br>\nRonde 5 : lundi 30 mars, cours 18h30-19h suivi des parties. Pédagogue : Warren<br>\n\n---<br>\nSi vous ne pouvez pas être présent, veuillez contacter votre adversaire dès que possible.\n<br>\nSi votre adversaire n'est pas l",
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            "id": 66141,
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                "name": "Mr. Erb's Math Class",
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            "description": "win !!🎖🏅",
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