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.

public/3d/motor_de_combustion/license.txt

@@ -1,11 +0,0 @@
-Model Information:
-* title:	Motor de combustión
-* source:	https://sketchfab.com/3d-models/motor-de-combustion-ff66d428b25e48cc89c6e9bb0e1aa5e8
-* author:	simondg (https://sketchfab.com/simondg)
-
-Model License:
-* license type:	CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)
-* requirements:	Author must be credited. Commercial use is allowed.
-
-If you use this 3D model in your project be sure to copy paste this credit wherever you share it:
-This work is based on "Motor de combustión" (https://sketchfab.com/3d-models/motor-de-combustion-ff66d428b25e48cc89c6e9bb0e1aa5e8) by simondg (https://sketchfab.com/simondg) licensed under CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)

public/3d/raspberry_pi_cam_v2.1/license.txt

@@ -1,11 +0,0 @@
-Model Information:
-* title:	Raspberry Pi cam v2.1
-* source:	https://sketchfab.com/3d-models/raspberry-pi-cam-v21-1bbd00ae9d334f52b1b8e5f11063f63c
-* author:	F2A (https://sketchfab.com/Fa_Sketch)
-
-Model License:
-* license type:	CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)
-* requirements:	Author must be credited. Commercial use is allowed.
-
-If you use this 3D model in your project be sure to copy paste this credit wherever you share it:
-This work is based on "Raspberry Pi cam v2.1" (https://sketchfab.com/3d-models/raspberry-pi-cam-v21-1bbd00ae9d334f52b1b8e5f11063f63c) by F2A (https://sketchfab.com/Fa_Sketch) licensed under CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)