List all tournaments or create a new tournament.

GET /api/v1/tournaments/?ordering=player_count&page=5678
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/?ordering=player_count&page=5677",
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            "description": "We can use discord while playing",
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        {
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            "name": "1 st tournament \" Find the way \" 19х19",
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            "name": "GO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!",
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            "description": "Hi, please, won",
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            "description": "Have fun!",
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