feat: integrate Draco compression for 3D models in backoffice

- Added support for uploading and compressing GLB models using Draco in the backoffice.
- Implemented commands for importing and re-compressing 3D models.
- Updated model resource to handle 3D model uploads and validations.
- Introduced a new script for compressing GLB files with Draco.
- Modified Vite configuration to remove GLB files from the build output.
- Updated package dependencies to include GLTF-transform libraries for handling 3D models.
- Added tests to ensure proper functionality of 3D model handling and compression.

backoffice/.env.example

@@ -63,3 +63,7 @@ AWS_BUCKET=
 AWS_USE_PATH_STYLE_ENDPOINT=false
 
 VITE_APP_NAME="${APP_NAME}"
+
+# Modelli 3D: Node per la compressione Draco (percorso completo se PHP-FPM non lo trova nel PATH).
+# NODE_BINARY=/opt/plesk/node/22/bin/node
+# MODELLI_3D_MAX_MB=200