feat: add wagon usage computation and maintenance logging features

- Implemented  utility to calculate wagon usage metrics for train schedules.
- Created  for sending wagons to maintenance with optional notes.
- Added unit tests for train builder maintenance functionalities, including formatting train run labels and building maintenance notes.
- Developed  component for merging train schedules with detailed previews and reasons for merging.
- Introduced  component for selecting wagons with search functionality and selection limits.
- Created  for displaying and filtering audit logs, including detailed views of individual log entries.
- Added  for handling API interactions related to audit logs, including fetching logs and entity types.

apps/edr-freight-web/backoffice/src/App.tsx

@@ -41,6 +41,7 @@ import MyProfilePage from "./pages/dashboard/MyProfilePage";
 import OverviewPage from "./pages/dashboard/OverviewPage";
 import ReportsHubPage from "./pages/reports/ReportsHubPage";
 import ReportPage from "./pages/reports/ReportPage";
+import AuditLogsPage from "./pages/AuditLogsPage";
 import AiBookingMockTestPage from "./pages/ai/AiBookingMockTestPage";
 import PaymentsPage from "./pages/payments/PaymentsPage";
 //import EmployeesPage from "./pages/dashboard/user-management/EmployeesPage";
@@ -188,6 +189,7 @@ const App = () => {
         <Route path="overview" element={<RequirePermission permission={FREIGHT_PERMS.overview.view}><OverviewPage /></RequirePermission>} />
         <Route path="reports" element={<RequirePermission permission={FREIGHT_PERMS.reports.view}><ReportsHubPage /></RequirePermission>} />
         <Route path="reports/:reportKey" element={<RequirePermission permission={FREIGHT_PERMS.reports.view}><ReportPage /></RequirePermission>} />
+        <Route path="audit-logs" element={<RequirePermission permission={FREIGHT_PERMS.auditLog.view}><AuditLogsPage /></RequirePermission>} />
         {/* Dev/testing page for the mock AI booking assistant. */}
         <Route
           path="ai-booking-mock-test"