feat: full FrontOffice updates - discount store, blog, payment gateway, UI improvements

- Discount store pages (products, cart, orders, order detail)
- Blog pages and services
- Payment gateway callback page
- AppImage component, EmptyState, LoadingState, PageHeader
- DiscountCartService, DiscountOrderService, DiscountProductService
- BlogCategoryService, BlogPostService, SitePageService, ImageCacheService
- PhoneVerifyForm component
- Profile Hub page
- UI/UX improvements across all pages
- landing.js for homepage
- Config and routing updates

src/FrontOffice.Main/Pages/Store/OrderTracking.razor.cs

@@ -1,6 +1,7 @@
 using CMSMicroservice.Protobuf.Protos.UserOrder;
 using FrontOffice.Main.Utilities;
 using Microsoft.AspNetCore.Components;
+using Microsoft.JSInterop;
 using Messages = CMSMicroservice.Protobuf.Protos;
 
 namespace FrontOffice.Main.Pages.Store;
@@ -8,6 +9,7 @@ namespace FrontOffice.Main.Pages.Store;
 public partial class OrderTracking : ComponentBase
 {
     [Inject] private OrderService OrderService { get; set; } = default!;
+    [Inject] private IJSRuntime JS { get; set; } = default!;
     
     [Parameter] public long id { get; set; }
     
@@ -123,4 +125,6 @@ public partial class OrderTracking : ComponentBase
         public bool IsCurrent { get; set; }
         public string Date { get; set; } = "";
     }
+
+    private async Task GoBack() => await JS.InvokeVoidAsync("history.back");
 }