Add Vercel configuration for domain verification

domains/_vercel.ashishsapkota.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "iamAshishSpt",
+        "email": "er.ashishsapkota@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=ashishsapkota.is-a.dev,5be4d24a402f1287d94d"
+    }
+}