add popup message

src/app/modals/popup-question.pipe.ts

@@ -0,0 +1,12 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'popupQuestion'
+})
+export class PopupQuestionPipe implements PipeTransform {
+
+  transform(value: unknown, ...args: unknown[]): unknown {
+    return null;
+  }
+
+}