Reformat A record in nehang.json

Formatted the A record for better readability.

domains/nehang.json

@@ -4,6 +4,8 @@
     "email": "nehangshah.dev@outlook.com"
   },
   "records": {
-    "A": ["216.198.79.1"]
+    "A": [
+      "216.198.79.1"
+    ]
   }
 }