fixed typo in type name

api/Program.cs

@@ -15,7 +15,7 @@ builder.Services.AddDbContext<AppDbContext>(options => options.UseNpgsql(builder
 
 
 builder.Services.AddScoped<IPersonRepository, PersonRepository>();
-builder.Services.AddScoped<PersonService, PersonService>();
+builder.Services.AddScoped<IPersonService, PersonService>();
 
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();