Add Vercel domain verification configuration

domains/_vercel.dheerajkiran.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "dheerajkiran",
+    "email": "dheerajkiran.e@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=dheerajkiran.is-a.dev,24a07ecc709e23f4a607"
+  }
+}