add _vercel.dazui.json for domain configuration

domains/_vercel.dazui.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "dazui-py",
+        "email": "dazuii@duck.com"
+    },
+    "records": {
+        "TXT": "vc-domain-erify=dazui.is-a.dev,461222408a9606999421"
+    }
+}