Moved the NodeJS version of the application to the app/ directory.

app/frontend/vite.config.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+
+export default defineConfig({
+  plugins: [react()],
+  build: {
+    outDir: "../dist/frontend",
+    emptyOutDir: true
+  },
+  server: {
+    port: 5173,
+    proxy: {
+      "/api": {
+        target: "http://localhost:3000",
+        changeOrigin: true
+      }
+    }
+  }
+});