Fix Vercel deployment to serve React client instead of server code

client/package.json

@@ -4,6 +4,7 @@
   "type": "module",
   "scripts": {
     "build": "vite build",
+    "vercel-build": "vite build",
     "dev": "vite",
     "preview": "vite preview"
   },

vercel.json

@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "buildCommand": "cd client && npm install && npm run build",
+  "buildCommand": "npm run build",
   "outputDirectory": "client/dist",
   "builds": [
     {
@@ -13,6 +13,10 @@
       "src": "/api/(.*)",
       "dest": "/server/index.ts"
     },
+    {
+      "src": "/assets/(.*)",
+      "dest": "/assets/$1"
+    },
     {
       "src": "/(.*)",
       "dest": "/index.html"