Implemented HashService and tests

LiteCharms.Features.MidrandBooks.Seed/CategorySeederService.cs

@@ -3,7 +3,7 @@ using LiteCharms.Features.MidrandBooks.Products;
 
 namespace LiteCharms.Features.MidrandBooks.Seed;
 
-public class CategorySeederService(CategoryService categoryService, ProductService productService, IFeatureManager features,
+public sealed class CategorySeederService(CategoryService categoryService, ProductService productService, IFeatureManager features,
     ILogger<CategorySeederService> logger) : BackgroundService
 {
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)

LiteCharms.Features.MidrandBooks.Seed/Configuration/CdnSettings.cs

@@ -1,6 +1,6 @@
 namespace LiteCharms.Features.MidrandBooks.Seed.Configuration;
 
-public class CdnSettings
+public sealed class CdnSettings
 {
     public string? BaseCdn { get; set; }
 

LiteCharms.Features.MidrandBooks.Seed/CustomerSeederService.cs

@@ -5,7 +5,7 @@ using LiteCharms.Features.MidrandBooks.Orders.Models;
 
 namespace LiteCharms.Features.MidrandBooks.Seed;
 
-public class CustomerSeederService(CustomerService customerService, OrderService orderService, IFeatureManager features,
+public sealed class CustomerSeederService(CustomerService customerService, OrderService orderService, IFeatureManager features,
     ILogger<CustomerSeederService> logger) : BackgroundService
 {
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)

LiteCharms.Features.MidrandBooks.Seed/ProductsSeederService.cs

@@ -5,7 +5,7 @@ using LiteCharms.Features.MidrandBooks.Seed.Configuration;
 
 namespace LiteCharms.Features.MidrandBooks.Seed;
 
-public class ProductsSeederService(ProductService productService, AuthorService authorService, BooksService booksService,
+public sealed class ProductsSeederService(ProductService productService, AuthorService authorService, BooksService booksService,
     IFeatureManager features, IOptions<CdnSettings> options, ILogger<ProductsSeederService> logger) : BackgroundService
 {
     private readonly CdnSettings cdnSettings = options.Value;