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/postcss.config.js

@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+};