message: fix(datepicker): added comma to index file
diff: @@ -29,7 +29,7 @@ export const DEMO_COMPONENTS = [
  DemoDatepickerDisabledComponent,
  DemoDatepickerFormsComponent,
  DemoDatepickerReactiveFormsComponent,
  - DemoDatepickerConfigMethodComponent
  + DemoDatepickerConfigMethodComponent,
  DemoDatepickerVisibilityMethodsComponent,
  DemoDatepickerPlacementComponent,
  DemoDatePickerVisibilityEventsComponent,
  