added certificate page

lib/screens/home_page.dart

@@ -8,6 +8,7 @@ import 'select_school_page.dart';
 import 'meditation_page.dart';
 import '../services/vanguard_api.dart';
 import 'login_page.dart';
+import 'medical_certificates_page.dart';
 
 class HomePage extends StatefulWidget {
   final String token;
@@ -278,6 +279,20 @@ class _HomePageState extends State<HomePage> {
                   );
                 },
               ),
+              ListTile(
+                leading: const Icon(Icons.medical_information),
+                title: const Text('Certificati medici'),
+                onTap: () {
+                  Navigator.of(context).pop(); // chiude drawer
+                  Navigator.push(
+                    context,
+                    MaterialPageRoute(
+                      builder: (_) =>
+                          MedicalCertificatesPage(token: widget.token),
+                    ),
+                  );
+                },
+              ),
               const Divider(height: 1),
               ListTile(
                 leading: const Icon(Icons.logout),