Add Vercel configuration for domain verification

domains/_vercel.sathiyamoorthimadhesh.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "sathiyamoorthi-madhesh",
+    "email": "sathiyamoorthiimadhesh@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=sathiyamoorthimadhesh.is-a.dev,45aa1d7b7f17f10eef1f"
+  }
+}