message: fix maxvalue and minvalue validators not imported in ng module
diff: @@ -11,6 +11,8 @@ import { SgTemplateListItemComponent } from './sg-template-list/sg-template-list
  import { SgTemplateCreationComponent } from './sg-template-creation/sg-template-creation.component';
  import { SgRulesComponent } from './sg-rules/sg-rules.component';
  import { SgRuleComponent } from './sg-rules/sg-rule.component';
  +import { MaxValueValidatorDirective } from '../shared/directives/max-value.directive';
  +import { MinValueValidatorDirective } from '../shared/directives/min-value.directive';
  @NgModule({
  imports: [
  @@ -30,7 +32,9 @@ import { SgRuleComponent } from './sg-rules/sg-rule.component';
  SgTemplateListItemComponent,
  SgTemplateCreationComponent,
  SgRulesComponent,
  - SgRuleComponent
  + SgRuleComponent,
  + MaxValueValidatorDirective,
  + MinValueValidatorDirective
  ],
  entryComponents: [
  SgCreationComponent,
  