feat(bll): заготовка ICalendarService

PARR.BLL/ParrBllInstaller.cs

@@ -21,6 +21,7 @@ namespace PARR.BLL
             services.AddHttpClient<IMqAdminService, MqAdminService>();
             services.AddTransient<ITransformService, TransformService>();
             services.AddTransient<IIntervalService, IntervalService>();
+            services.AddTransient<ICalendarService, CalendarService>();
         }
     }
 }