feat(index): add configuration options for landing page sections

- Introduced new settings in appsettings files to control the visibility of the steps and features sections on the landing page, allowing for dynamic content presentation.
- Updated Index.razor and Index.razor.cs to utilize these settings, enhancing user experience by enabling or disabling sections based on configuration.

src/FrontOffice.Main/Pages/Index.razor.cs

@@ -21,6 +21,8 @@ public partial class Index : IDisposable
 
     private bool _isAuthenticated;
     private string _twentyCardPortalUrl = string.Empty;
+    private bool _showStepsSection;
+    private bool _showFeaturesSection;
 
     // ── CMS page data ──
     private PageSettingsDto? _pageData;
@@ -53,6 +55,9 @@ public partial class Index : IDisposable
         MainService.OnChangeHandler += OnStateChanged;
         _isAuthenticated = await AuthService.IsAuthenticatedAsync();
         _twentyCardPortalUrl = Configuration["TwentyCard:CreditPortalUrl"] ?? string.Empty;
+        // appsettings Landing:* — default false (hidden). Set true to restore sections.
+        _showStepsSection = Configuration.GetValue("Landing:ShowStepsSection", false);
+        _showFeaturesSection = Configuration.GetValue("Landing:ShowFeaturesSection", false);
 
         // Load landing page settings from CMS
         try