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.

frontend/src/i18n/locales/en/admin.json

@@ -230,6 +230,44 @@
                 "updateSuccess": "Map updated successfully!",
                 "deleteSuccess": "Map deleted successfully!"
             }
+        },
+        "servicesStatus": {
+            "title": "Service Status",
+            "description": "Monitor the status of Backend, Chat and Daemon",
+            "status": {
+                "connected": "Connected",
+                "connecting": "Connecting...",
+                "disconnected": "Disconnected",
+                "error": "Error",
+                "unknown": "Unknown"
+            },
+            "backend": {
+                "title": "Backend",
+                "connected": "Backend service is reachable and connected"
+            },
+            "chat": {
+                "title": "Chat",
+                "connected": "Chat service is reachable and connected"
+            },
+            "daemon": {
+                "title": "Daemon",
+                "connected": "Daemon service is reachable and connected",
+                "connections": {
+                    "title": "Active Connections",
+                    "none": "No active connections",
+                    "userId": "User ID",
+                    "connections": "connections",
+                    "duration": "Connection Duration",
+                    "lastPong": "Time Since Last Pong",
+                    "pingTimeouts": "Ping Timeouts",
+                    "pongReceived": "Pong Received",
+                    "yes": "Yes",
+                    "no": "No",
+                    "notConnected": "Daemon not connected",
+                    "sendError": "Error sending request",
+                    "error": "Error fetching connections"
+                }
+            }
         }
     }
 }

frontend/src/i18n/locales/en/navigation.json

@@ -64,7 +64,8 @@
                 "match3": "Match3 Levels",
                 "taxiTools": "Taxi Tools"
             },
-            "chatrooms": "Chat rooms"
+            "chatrooms": "Chat rooms",
+            "servicesStatus": "Service Status"
         },
         "m-friends": {
             "manageFriends": "Manage friends",