Update email to gmail address

domains/shivanshu.json

@@ -1,9 +1,9 @@
 {
   "owner": {
     "username": "shivanshu407",
-    "email": "shivanshu407@users.noreply.github.com"
+    "email": "mshivanshu407@gmail.com"
   },
   "records": {
     "CNAME": "shivanshu407.github.io"
   }
-}
+}