feat: Add document download and upload. Add NFC support and enhance attendance and permits views

- Improved error message handling in LoginScreen for invalid credentials.
- Added new images: mariani-icon.png and mariani-splash.png.
- Updated AddDocumentModal to handle file extensions and improve UI.
- Enhanced CalendarWidget to support month change callbacks.
- Introduced NfcScanModal for NFC tag scanning with animations.
- Revamped QrScanModal to utilize camera for QR code scanning.
- Removed mock data from data.ts and streamlined Office data.
- Updated package dependencies for expo-camera and react-native-nfc-manager.
- Added utility function to parse seconds to time format.
- Refactored document upload logic to use FormData for server uploads.

components/CalendarWidget.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { View, Text, TouchableOpacity } from 'react-native';
 import { ChevronLeft, ChevronRight } from 'lucide-react-native';
 import { TimeOffRequest, TimeOffRequestType } from '@/types/types';
@@ -6,9 +6,10 @@ import { TimeOffRequest, TimeOffRequestType } from '@/types/types';
 interface CalendarWidgetProps {
     events: TimeOffRequest[];
     types: TimeOffRequestType[];
+    onMonthChange?: (date: Date) => void;
 }
 
-export default function CalendarWidget({ events, types }: CalendarWidgetProps) {
+export default function CalendarWidget({ events, types, onMonthChange }: CalendarWidgetProps) {
     const [currentDate, setCurrentDate] = useState(new Date());
 
     // Helpers per il calendario
@@ -21,8 +22,17 @@ export default function CalendarWidget({ events, types }: CalendarWidgetProps) {
     const changeMonth = (increment: number) => {
         const newDate = new Date(currentDate.setMonth(currentDate.getMonth() + increment));
         setCurrentDate(new Date(newDate));
+        if (onMonthChange) {
+            onMonthChange(newDate);
+        }
     };
 
+    useEffect(() => {
+        if (onMonthChange) {
+            onMonthChange(currentDate);
+        }
+    }, []);
+
     const getEventForDay = (day: number) => {
         const year = currentDate.getFullYear();
         const month = String(currentDate.getMonth() + 1).padStart(2, '0');