fix(aot): export confirm directive

src/index.ts

@@ -4,4 +4,5 @@ export * from './confirm.module';
 
 // Private components, don't import or use these within your app, they are only exported so that AOT can work
 export {ConfirmPopover as PrivateComponent1} from './confirmPopover.component';
-export {Focus as PrivateComponent2} from './focus.directive';
+export {Focus as PrivateComponent2} from './focus.directive';
+export {Confirm as PrivateComponent3} from './confirm.directive';