Update Vercel configuration with user details

domains/_vercel.prinsipekumar.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "prinsipekumar",
+        "email": "prinsipekumar@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=prinsipekumar.is-a.dev,393e98e2c138c989fc9f"
+    }
+}