List all tournaments or create a new tournament.

GET /api/v1/tournaments/?format=api&ordering=-board_size&page=3208
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

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            "description": "Hi All, \nI thought to myself, a small private tournament now between the years couldn't hurt and could still be quite fun.\nI invite nice players with whom I have played and who are of similar rank.\nThe game is played in three rounds without \"slaughter\".\nAttention: Time to draw a stone: max. 1 day and no break on the weekend. So that it doesn't go on forever.\nI'm looking forward to your feedback - this is the first tournament I have created.\nHave fun!\nCedeng",
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