feat: add inventory management system with product, category, and movement tracking

- Implemented global styles using Tailwind CSS for consistent theming.
- Created layout component to structure the application with a navigation bar.
- Developed Movements page to handle inventory entries and exits, including form submission and data display.
- Added Products page for listing, editing, and deleting products with API integration.
- Introduced Categories management functionality.
- Built Navbar component for easy navigation across the application.
- Established API service for handling requests to the backend.
- Defined TypeScript types for Category, Product, and InventoryMovement to ensure type safety.
- Configured TypeScript settings for the project.

frontend/next.config.ts

@@ -0,0 +1,7 @@
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
+  /* config options here */
+};
+
+export default nextConfig;