feat(api): generate API models and hooks for public shop configuration and commerce entities

- Added generated API hooks and models for public shop configuration, including listing and retrieving configurations.
- Introduced models for commerce categories, discount codes, orders, product images, and products with pagination and search parameters.
- Ensured all generated files are structured for easy integration with React Query.

frontend/src/orval.config.ts

@@ -1,6 +1,6 @@
 import { defineConfig } from "orval";
 
-const backendUrl = import.meta.env.VITE_BACKEND_URL || "http://localhost:8000";
+const backendUrl = process.env.VITE_BACKEND_URL || "http://localhost:8000";
 
 // může se hodit pokud nechceme při buildu generovat klienta (nechat false pro produkci nebo vynechat)
 const SKIP_ORVAL = process.env.SKIP_ORVAL === "true";
@@ -27,6 +27,7 @@ export default defineConfig({
       clean: true,
       client: "react-query",
       httpClient: "axios",
+      tsconfig: "./tsconfig.app.json",
       override: {
         mutator: {
           path: "api/publicClient.ts",
@@ -57,6 +58,7 @@ export default defineConfig({
       clean: true,
       client: "react-query",
       httpClient: "axios",
+      tsconfig: "./tsconfig.app.json",
       override: {
         mutator: {
           path: "api/privateClient.ts",