fix: json syntax

Author: wackerow

src/data/community-events.json

@@ -790,8 +790,8 @@
     "location": "Istanbul, TR",
     "description": "ETHIstanbul is a conference and hackathon connecting you with global talents, industry professionals, and web3 companies advancing technology.",
     "imageUrl": "https://ethistanbul.io/_next/image?url=%2F_next%2Fstatic%2Fmedia%2Fistanbul-background.99d6ad2a.webp&w=3840&q=75"
-  }
-    {
+  },
+  {
     "title": "L2con",
     "startDate": "2025-07-01",
     "endDate": "2025-07-01",