add new components for chat in shared

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

@@ -0,0 +1,21 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+import { GroupMessagesPage } from './group-messages.page';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: GroupMessagesPage
+  },
+  {
+    path: 'group-contacts',
+    loadChildren: () => import('./group-contacts/group-contacts.module').then( m => m.GroupContactsPageModule)
+  }
+
+];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule],
+})