feat(api): generate models for patched products, refunds, site configurations, payments, and user registration

- Added PatchedProduct, PatchedProductImage, PatchedRefund, and related models.
- Introduced Payment, PaymentBody, PaymentCreate, and PaymentRead models.
- Created enums for payment methods, reasons for refunds, roles, and shipping methods.
- Implemented models for site configurations and their opening hours.
- Added ZasilkovnaPacket and ZasilkovnaShipment models for handling shipping data.
- Generated user registration model with validation rules.
- Updated public API functions to support new models and queries.

frontend/vite.config.ts

@@ -1,6 +1,7 @@
 import { defineConfig } from 'vite'
 import tailwindcss from '@tailwindcss/vite'
 import react from '@vitejs/plugin-react'
+import path from 'path'
 
 // https://vite.dev/config/
 export default defineConfig({
@@ -8,4 +9,9 @@ export default defineConfig({
     react(),
     tailwindcss()
   ],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
 })