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/models.json

@@ -0,0 +1,22 @@
+[
+  {
+    "id": "brazo",
+    "name": "Brazo Robótico",
+    "url": "/visor3d/3d/brazo.glb"
+  },
+  {
+    "id": "alcohol",
+    "name": "Composición del Alcohol",
+    "url": "/visor3d/3d/alcohol.glb"
+  },
+  {
+    "id": "hydrolisis",
+    "name": "Hidrolisis",
+    "url": "/visor3d/3d/hydrolisis.glb"
+  },
+  {
+    "id": "motor",
+    "name": "Motor de Combustión",
+    "url": "/visor3d/3d/motor_de_combustion.glb"
+  }
+]