List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=players_start&page=490
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "name": "1st Continental Go World Cup-Qualification Phase for Europa: Category 19-15k: Semi-Final: FabienChiron VS Guizmonium",
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            "description": "The game opposing FabienChiron to Guizmonium. The winner will be qualified for the final phase. Best of luck!!",
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                "name": "Continental and World Go Cups Group",
                "summary": "You want to become World Champion or a Continental champion? Join us :)",
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        {
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            "name": "Live 9x9 Double Elimination Tournament 2023-12-28 11:20",
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                "username": "TheMderSter Jc",
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            "description": "copy of Live 9x9 Double Elimination Tournament but stronger",
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                "id": 78,
                "name": "OGS Mini Tournaments",
                "summary": "The home for all of the old OGS mini tournaments",
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        {
            "id": 46132,
            "name": "The 8th Murase Go Group Tournament",
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                "username": "SM-SYaKo",
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            "description": "毎月27日に開催される定例トーナメントです。これは第八回村瀬碁グループ定例トーナメントです。2019年3月27日に開始されます。\n\nA tournament that happens every month on 27th. This is the 8th tournament starts on March 27th, 2019.",
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                "name": "Murase Go Group",
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                "username": "樂 碁",
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            "description": "リーグ開始時に参加されているメンバーでの総あたり戦になります。(レーティングによる自動ハンデ付き)\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。",
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        {
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