Add Vercel configuration for domain verification

_vercel.ws.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "wsnustrw",
+        "email": "wsn.strw@gmail.com"
+    },
+    "records": {
+        "TXT": "vc-domain-verify=ws.is-a.dev,feb1c8f7122fab5c64b5"
+    }
+}