Fix TypeScript error in vite.ts and add vercelignore

.vercelignore

@@ -0,0 +1,10 @@
+server/
+client/
+dist/
+node_modules/
+.git/
+*.md
+vite.config.ts
+tsconfig.json
+postcss.config.js
+tailwind.config.ts

server/vite.ts

@@ -23,7 +23,7 @@ export async function setupVite(app: Express, server: Server) {
   const serverOptions = {
     middlewareMode: true,
     hmr: { server },
-    allowedHosts: true,
+    allowedHosts: ['localhost', '.vercel.app'] as string[],
   };
 
   const vite = await createViteServer({

vercel.json

@@ -3,7 +3,10 @@
   "builds": [
     {
       "src": "api/index.ts",
-      "use": "@vercel/node"
+      "use": "@vercel/node",
+      "config": {
+        "includeFiles": ["package.json"]
+      }
     }
   ],
   "routes": [