Update Vercel domain configuration with user details

domains/_vercel.salimuddin.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "salimuddin07",
+        "email": "salimuddinsaiyed5@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=salimuddin.is-a.dev,cd68e17347a61088d6df"
+    }
+}