Modify username and DNS records in isoumya.json

Updated username and added CNAME record.

domains/isoumya.json

@@ -1,10 +1,9 @@
 {
   "owner": {
-    "username": "soumyaexe",
+    "username": "SoumyaEXE",
     "email": "soulsoumya1234@gmail.com"
   },
   "records": {
-    "A": ["216.198.79.1"]
-  },
-  "proxied": false
+    "CNAME": "isoumyaa.vercel.app"
+  }
 }