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/eslint.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig, globalIgnores } from "eslint/config";
+import nextVitals from "eslint-config-next/core-web-vitals";
+import nextTs from "eslint-config-next/typescript";
+
+const eslintConfig = defineConfig([
+  ...nextVitals,
+  ...nextTs,
+  // Override default ignores of eslint-config-next.
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+  ]),
+]);
+
+export default eslintConfig;