config: Update uttamgupta2712.json by renaming the records key to record and changing the CNAME value from vercel.app to github.io.

domains/uttamgupta2712.json

@@ -3,7 +3,7 @@
         "username": "uttamgupta2712",
         "email": "uttamgupta2712@gmail.com"
     },
-    "records": {
-        "CNAME": "uttamgupta2712.vercel.app"
+    "record": {
+        "CNAME": "uttamgupta2712.github.io"
     }
-}
+}