added singlerepo structure

frontend/vite.config.ts

@@ -0,0 +1,15 @@
+// frontend/vite.config.ts
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import { resolve } from 'path';
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      '@': resolve(__dirname, './src'),
+      '@premium-frontend': resolve(__dirname, '../premium/frontendPRO/src'),
+      '@premium-backend': resolve(__dirname, '../premium/backendPRO/src')
+    }
+  }
+});