add allow cors

vercel.json

@@ -1,3 +1,13 @@
 {
+    "headers": [
+        {
+            "source": "/api/(.*)",
+            "headers": [
+                { "key": "Access-Control-Allow-Origin", "value": "*" },
+                { "key": "Access-Control-Allow-Methods", "value": "GET" },
+                { "key": "Access-Control-Allow-Headers", "value": "X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version" }
+            ]
+        }
+    ],
     "framework": "vite"
 }