Feature: Add Services Status page and update navigation

- Introduced a new Services Status page to monitor the status of Backend, Chat, and Daemon services.
- Updated navigation structure to include the new Services Status link for main admin users.
- Added German and English localization for the Services Status page, including titles, descriptions, and status messages.

backend/controllers/navigationController.js

@@ -251,6 +251,10 @@ const menuStructure = {
                 visible: ["mainadmin", "chatrooms"],
                 path: "/admin/chatrooms"
             },
+            servicesStatus: {
+                visible: ["mainadmin"],
+                path: "/admin/services/status"
+            },
             interests: {
                 visible: ["mainadmin", "interests"],
                 path: "/admin/interests"