[listing-request] Add Treblle Hacktoberfest

[JustSteveKing]

Please paste the following information into the following text to list your hackathon:

    {
      "title": "Treblle Hacktoberfest",
      "url": "https://hacked.treblle.com/",
      "startDate": "October 09",
      "endDate": "October 20",
      "year": "2023",
      "city": "Remote",
      "host": "Treblle",
      "length": "36",
      "size": "200",
      "travel": "no",
      "prize": "yes",
      "highSchoolers": "unknown",
      "cost": "free",
      "facebookURL": "",
      "twitterURL": "https://twitter.com/treblleapi",
      "notes": "Join our spooky hackathon for Hacktoberfest, with a prize pool of cash and swag - it is going to a spooktacular event."
    }

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