Add Vercel domain verification configuration

domains/_vercel.sandro.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "sandro21",
+    "email": "sandroqarqusashvili@gmail.com"
+  },
+  "record": {
+    "TXT": "vc-domain-verify=sandro.is-a.dev,316f68824405557ea923"
+  }
+}