refactor: Clean up code by adjusting indentation and removing duplicate using directive

Author: aalmada

src/BookStore.ApiService/Endpoints/BookEndpoints.cs

@@ -348,7 +348,7 @@ [.. book.CategoryIds
                         return result;
                     }).ToList();
 
-        response = response with { Items = updatedItems };
+                    response = response with { Items = updatedItems };
                 }
             }
         }

src/BookStore.ApiService/Handlers/UserCommandHandler.cs

@@ -1,7 +1,7 @@
+using BookStore.ApiService.Infrastructure; // Added this line
 using BookStore.ApiService.Messages.Commands;
 using BookStore.ApiService.Models;
 using BookStore.ApiService.Projections;
-using BookStore.ApiService.Infrastructure; // Added this line
 using BookStore.Shared.Messages.Events;
 using Marten;
 using Wolverine;

src/BookStore.ApiService/Infrastructure/Instrumentation.cs

@@ -5,7 +5,7 @@ namespace BookStore.ApiService.Infrastructure;
 public static class Instrumentation
 {
     public const string MeterName = "BookStore.ApiService";
-    private static readonly Meter Meter = new(MeterName);
+    static readonly Meter Meter = new(MeterName);
 
     // Book Interactions
     public static readonly Counter<long> BookViews = Meter.CreateCounter<long>("bookstore.books.views", description: "Number of times book profiles are viewed");