Update UI labels: change Nodes to Iran Nodes and Servers to Foreign node

- Change 'Nodes' to 'Iran Nodes' in English UI
- Change 'Servers' to 'Foreign node' in English UI
- Change 'Manage your nodes behind GFW' to 'Manage your iran nodes'
- Change 'Manage your foreign tunnel servers' to 'Manage your Foreign servers'
- Update Farsi translations: 'نودهای ایران' and 'سرورهای خارج'
- Add IP Address column to Nodes table to match Servers table

Author: zZedix

frontend/src/contexts/LanguageContext.tsx

@@ -156,8 +156,8 @@ const translations: Record<Language, Translations> = {
     },
     navigation: {
       dashboard: 'Dashboard',
-      nodes: 'Nodes',
-      servers: 'Servers',
+      nodes: 'Iran Nodes',
+      servers: 'Foreign node',
       tunnels: 'Tunnels',
       coreHealth: 'Core Health',
       logs: 'Logs',
@@ -167,15 +167,15 @@ const translations: Record<Language, Translations> = {
       dark: 'Dark',
     },
     nodes: {
-      title: 'Nodes',
-      subtitle: 'Manage your nodes behind GFW',
+      title: 'Iran Nodes',
+      subtitle: 'Manage your iran nodes',
       addNode: 'Add Node',
       viewCACertificate: 'View CA Certificate',
       downloadCA: 'Download CA',
     },
     servers: {
-      title: 'Foreign Servers',
-      subtitle: 'Manage your foreign tunnel servers',
+      title: 'Foreign node',
+      subtitle: 'Manage your Foreign servers',
       viewCACertificate: 'View CA Certificate',
       downloadCA: 'Download CA',
     },
@@ -281,8 +281,8 @@ const translations: Record<Language, Translations> = {
     },
     navigation: {
       dashboard: 'داشبورد',
-      nodes: 'نودها',
-      servers: 'سرورها',
+      nodes: 'نودهای ایران',
+      servers: 'سرورهای خارج',
       tunnels: 'تونل‌ها',
       coreHealth: 'سلامت هسته',
       logs: 'لاگ‌ها',
@@ -292,15 +292,15 @@ const translations: Record<Language, Translations> = {
       dark: 'تاریک',
     },
     nodes: {
-      title: 'نودها',
-      subtitle: 'مدیریت نودهای پشت فایروال',
+      title: 'نودهای ایران',
+      subtitle: 'مدیریت نودهای ایران',
       addNode: 'افزودن نود',
       viewCACertificate: 'مشاهده گواهی CA',
       downloadCA: 'دانلود CA',
     },
     servers: {
-      title: 'سرورهای خارجی',
-      subtitle: 'مدیریت سرورهای تونل خارجی',
+      title: 'سرورهای خارج',
+      subtitle: 'مدیریت سرورهای خارج',
       viewCACertificate: 'مشاهده گواهی CA',
       downloadCA: 'دانلود CA',
     },

frontend/src/pages/Nodes.tsx

@@ -166,6 +166,9 @@ const Nodes = () => {
               <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">
                 Status
               </th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">
+                IP Address
+              </th>
               <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 dark:text-gray-300 uppercase tracking-wider">
                 Last Seen
               </th>
@@ -234,15 +237,18 @@ const Nodes = () => {
                           return status
                       }
                     }
-                    return (
-                      <span className={`inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium ${getStatusColor(connStatus)}`}>
-                        {getStatusIcon(connStatus)}
-                        {getStatusText(connStatus)}
-                      </span>
-                    )
-                  })()}
-                </td>
-                <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
+                      return (
+                        <span className={`inline-flex items-center gap-1 px-2 py-1 rounded-full text-xs font-medium ${getStatusColor(connStatus)}`}>
+                          {getStatusIcon(connStatus)}
+                          {getStatusText(connStatus)}
+                        </span>
+                      )
+                    })()}
+                  </td>
+                  <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
+                    {node.metadata?.ip_address || 'N/A'}
+                  </td>
+                  <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400">
                   {new Date(node.last_seen).toLocaleString()}
                 </td>
                 <td className="px-6 py-4 whitespace-nowrap text-sm">