fix: add jobregistration to avoid warning

Author: linkdotnet

src/LinkDotNet.Blog.Web/RegistrationExtensions/BackgroundServiceRegistrationExtensions.cs

@@ -22,6 +22,7 @@ public static void AddBackgroundServices(this IServiceCollection services)
                 .ExecuteWhen(s => s.RunJob<SimilarBlogPostJob>());
 
             options.AddJob<TransformBlogPostRecordsJob>(p => p.WithCronExpression("0/10 * * * *"));
+            options.AddJob<SimilarBlogPostJob>();
         });
     }
 }