add audio to web conversation

src/app/shared/chat/group-messages/group-messages.module.ts

@@ -15,6 +15,7 @@ import { PdfViewerModule } from 'ng2-pdf-viewer';
 import { FontAwesomeModule } from '@fortawesome/angular-fontawesome';
 import {MatMenuModule} from '@angular/material/menu';
 import { LettersAvatarModule } from "ngx-letters-avatar";
+import { PipesModule } from 'src/app/pipes/pipes.module';
 
 @NgModule({
   imports: [
@@ -26,7 +27,8 @@ import { LettersAvatarModule } from "ngx-letters-avatar";
     ChatPopoverPageModule,
     GroupMessagesPageRoutingModule,
     MatMenuModule,
-    LettersAvatarModule
+    LettersAvatarModule,
+    PipesModule,
     //
   ],
   exports: [GroupMessagesPage],