feat: remove unused texture files and add model metadata

- Deleted various texture files related to the Raspberry Pi camera model.
- Introduced a new JSON file to store model metadata including IDs, names, and URLs.
- Implemented authentication and session management using Supabase.
- Created a header component for navigation and user session display.
- Added protected routes to restrict access to certain pages.
- Developed a private layout for authenticated users.
- Enhanced the home page to dynamically load models from the new JSON file.
- Updated the login page to handle user authentication.
- Created a model uploader for users to upload 3D models.
- Improved overall styling and layout for better user experience.

package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@iconify/react": "^6.0.0",
     "@radix-ui/react-alert-dialog": "^1.1.6",
     "@radix-ui/react-dialog": "^1.1.6",
     "@radix-ui/react-label": "^2.1.2",
@@ -21,11 +22,13 @@
     "@react-three/drei": "^10.0.3",
     "@react-three/fiber": "^9.0.4",
     "@react-three/xr": "^6.6.9",
+    "@supabase/supabase-js": "^2.50.0",
     "@tailwindcss/vite": "^4.0.9",
     "@use-gesture/react": "^10.3.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "date-fns": "^3.6.0",
+    "iconify": "^1.4.0",
     "install": "^0.13.0",
     "lucide-react": "^0.477.0",
     "react": "^19.0.0",