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/src/api/generated/public/models/currencyEnum.ts

@@ -0,0 +1,17 @@
+/**
+ * Generated by orval v7.17.0 🍺
+ * Do not edit manually.
+ * OpenAPI spec version: 0.0.0
+ */
+
+/**
+ * * `CZK` - cz#Czech Koruna
+ * `EUR` - cz#Euro
+ */
+export type CurrencyEnum = (typeof CurrencyEnum)[keyof typeof CurrencyEnum];
+
+// eslint-disable-next-line @typescript-eslint/no-redeclare
+export const CurrencyEnum = {
+  CZK: "CZK",
+  EUR: "EUR",
+} as const;