Add Vercel domain verification configuration

domains/_vercel.besanets.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "abesanets",
+    "email": "a.besanets@gmail.com"
+  },
+  "record": {
+    "TXT": "vc-domain-verify=besanets.is-a.dev,e419afd8b4fd8ad34117"
+  }
+}