Update to add railway as CNAME

Using Railway now, Hope everything goes well!

domains/agam778.json

@@ -1,11 +1,11 @@
 {
-  "description": "Agam's Portfolio",
+  "description": "Agam's,Website",
   "repo": "https://github.com/agam778",
   "owner": {
     "username": "agam778",
     "email": "agam778@zohomail.in"
   },
   "record": {
-    "CNAME": "agam778.netlify.app"
+    "CNAME": "agam778is-adev-production.up.railway.app"
   }
 }