Refactor event type handling and add data management page (options and event types)

em2rp/lib/views/widgets/nav/main_drawer.dart

@@ -3,6 +3,7 @@ import 'package:em2rp/utils/colors.dart';
 import 'package:em2rp/views/calendar_page.dart';
 import 'package:em2rp/views/my_account_page.dart';
 import 'package:em2rp/views/user_management_page.dart';
+import 'package:em2rp/views/data_management_page.dart';
 import 'package:flutter/material.dart';
 import 'package:em2rp/views/widgets/image/profile_picture.dart';
 import 'package:provider/provider.dart';
@@ -133,6 +134,20 @@ class MainDrawer extends StatelessWidget {
                         },
                       ),
                     ),
+                    ListTile(
+                      leading: const Icon(Icons.data_usage),
+                      title: const Text('Gestion des Données'),
+                      selected: currentPage == '/data_management',
+                      selectedColor: AppColors.rouge,
+                      onTap: () {
+                        Navigator.pop(context);
+                        Navigator.pushReplacement(
+                          context,
+                          MaterialPageRoute(
+                              builder: (context) => const DataManagementPage()),
+                        );
+                      },
+                    ),
                   ],
                 ),
               ),