Add Vercel TXT configuration for domain verification

domains/_vercel.priyanshu-ranjan.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "Priyanshu631",
+    "email": "priyanshuranjan6@gmail.com"
+  },
+  "records": {
+        "TXT": "vc-domain-verify=priyanshu-ranjan.is-a.dev,b23c7558dc42116e4c02"
+    }
+}