feat(Navigation, UserRights, Localization): add worker schedules feature and enhance access control

- Updated navigation structure to include a new section for worker schedules, accessible to specific user roles.
- Introduced a new user right type for 'worker_schedule_read' to manage access permissions effectively.
- Added localization entries for worker schedules in multiple languages, ensuring consistent user experience across the application.
- Created a new route and component for managing worker schedules in the admin panel.

frontend/src/i18n/locales/de/general.json

@@ -187,7 +187,8 @@
             "adminCreateNpc": "NPC erstellen",
             "adminMinigames": "Match3-Verwaltung",
             "adminTaxiTools": "Taxi-Tools",
-            "adminServicesStatus": "Service-Status"
+            "adminServicesStatus": "Service-Status",
+            "adminWorkerSchedules": "Daemon-Laeufe"
         }
     }
 }