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.

app/(protected)/_layout.tsx

@@ -23,14 +23,15 @@ export default function ProtectedLayout() {
           backgroundColor: '#ffffff',
           borderTopWidth: 1,
           borderTopColor: '#f3f4f6',
-          height: 80,
-          paddingBottom: 20,
+          height: 90,
+          paddingBottom: 30,
           paddingTop: 10,
+          paddingHorizontal: 10,
         },
         tabBarActiveTintColor: '#099499',
         tabBarInactiveTintColor: '#9ca3af',
         tabBarLabelStyle: {
-            fontSize: 10,
+            fontSize: 12,
             fontWeight: '600',
             marginTop: 4
         }