List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=max_ranking&page=382
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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        {
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            "name": ".-'{shadoW~Weaving}'-. 19.1",
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        {
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            "description": "erster Turnierblock für Spieler bis etwa 10. Kyu.",
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                "summary": "Gruppe für offene Online-Turniere des Badischen Go-Vereins",
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                "username": "Wulfenia.",
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        },
        {
            "id": 36749,
            "name": "Cybersport.com Beginner Tournament",
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                "username": "Torte de Lini",
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            "description": "Practice Cybersport.com game (#1)\n\n9x9 Boards, if you feel like a game should be reviewed because you have questions or want to review with this game with Sensei Cohen (23kyu), send to #91Go chat and I will review it + comments for you read up on.\n\nInstructions for match to be reviewed:\n1. Open-up side-bar\n2. Click \"Link to Game\"\n3. Send to me on Slack for this game to be reviewed\n4. I will send a link of my review of the game with comments",
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        {
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