Add Vercel configuration for domain verification

domains/_vercel.rishabhkbatra.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "RishabhBatra-01",
+    "email": "rishabhbatra.sde@gmail.com"
+  },
+  "records": {
+    "TXT": "vc-domain-verify=rishabhkbatra.is-a.dev,7ad36b8f95cacae92519"
+  }
+}