Initial commit: gate operator quotation app

React + Vite + Tailwind frontend with Express backend.
3-step wizard (Operator, Ground Loops, Access Control)
with PDF quote download and CAD pricing data.

client/vite.config.js

@@ -0,0 +1,13 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  server: {
+    host: '0.0.0.0',
+    port: 5173,
+    proxy: {
+      '/api': 'http://localhost:3001',
+    },
+  },
+});