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.

src/types.ts

@@ -0,0 +1,5 @@
+export type Model = {
+    id: string;
+    name: string;
+    url: string;
+};