feat: add system info and backup functionalities to settings page

- Integrated system info fetching in `SettingsPage` for improved user insights.
- Enhanced `SettingsIndexPageClient` with manual backup creation and Jira connection testing features.
- Added loading states and auto-dismiss messages for user feedback during actions.
- Updated UI to display system info and backup statistics dynamically.

src/actions/system-info.ts

@@ -0,0 +1,16 @@
+'use server';
+
+import { SystemInfoService } from '@/services/system-info';
+
+export async function getSystemInfo() {
+  try {
+    const systemInfo = await SystemInfoService.getSystemInfo();
+    return { success: true, data: systemInfo };
+  } catch (error) {
+    console.error('Error getting system info:', error);
+    return { 
+      success: false, 
+      error: error instanceof Error ? error.message : 'Failed to get system info' 
+    };
+  }
+}