List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=player_count&page=5236
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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            "description": "Very fast, No pauses, No Vacation.\n\nWelcome and have fun :)\n\nPauses are not allowed.                                         \nPauses are not allowed.                                       \nPauses are not allowed.                                         \n\nTo make gaming more efficient, please pay attention to the time.",
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