feat: Update assets and improve code comments across multiple components

- Updated favicon and various image assets.
- Enhanced comments.
- Adjusted styles and functionality in several components for improved user experience.
- Updated package-lock.json to reflect dependency updates.

utils/documentUtils.tsx

@@ -1,16 +1,12 @@
 import api from '@/utils/api';
 import { Directory, File, Paths } from 'expo-file-system';
-import * as FileSystem from 'expo-file-system/legacy';
-import { StorageAccessFramework } from 'expo-file-system/legacy';
 import * as Sharing from 'expo-sharing';
-import * as Linking from 'expo-linking';
-import { Platform } from 'react-native';
 
 /**
- * Gestisce l'upload di un documento verso il server usando FormData
- * @param file File da caricare (deve avere almeno la proprietà 'uri')
- * @param siteId ID del sito a cui associare il documento (null per registro generale)
- * @param customTitle Titolo personalizzato per il documento (opzionale)
+ * Handles upload of a document through the server using FormData
+ * @param file File to upload (must have at least the 'uri' property)
+ * @param siteId ID of the site to associate the document with (null for general register)
+ * @param customTitle Custom title for the document (optional)
  */
 export const uploadDocument = async (
     file: any,
@@ -64,10 +60,10 @@ export const uploadDocument = async (
 };
 
 /**
- * Scarica un documento e offre di aprirlo/condividerlo (expo-sharing)
- * @param attachmentId ID o URL relativo del documento
- * @param fileName Nome con cui salvare il file
- * @param fileUrl URL completo del file da scaricare
+ * Download and share a document (expo-sharing)
+ * @param attachmentId ID or relative URL of the document
+ * @param fileName Name to save the file as
+ * @param fileUrl Full URL of the file to download
  */
 export const downloadAndShareDocument = async (
     mimetype: string,
@@ -75,7 +71,7 @@ export const downloadAndShareDocument = async (
     fileUrl: string
 ): Promise<void> => {
     try {
-        // TODO: Gestire meglio il download (attualmente si basa su expo-sharing)        
+        // TODO: Download based on expo-sharing - some mime types may not be supported     
         if (!fileUrl || !fileName) {
             throw new Error("Parametri mancanti per il download del documento.");
         }