feat: add profile route and sidebar navigation; implement inventory and view product pages

- Added a new profile route under the hidden layout.
- Introduced a Sidebar component for navigation between inventory, add product, and profile pages.
- Created InventoryPage to display a list of products with sorting and pagination.
- Implemented ViewProduct page to show details of a selected product.
- Integrated API calls for fetching products and product details.
- Updated route tree to include new routes and components.

frontend/package.json

@@ -17,6 +17,7 @@
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
     "@fontsource/inter": "^5.2.8",
+    "@mui/icons-material": "^9.0.1",
     "@mui/joy": "^5.0.0-beta.52",
     "@tailwindcss/vite": "^4.3.0",
     "@tanstack/react-form": "^1.32.0",