Add group-chat page

src/app/shared/btn-modal-dismiss/btn-modal-dismiss.page.ts

@@ -0,0 +1,24 @@
+import { Component, OnInit } from '@angular/core';
+import { ModalController } from '@ionic/angular';
+
+@Component({
+  selector: 'app-btn-modal-dismiss',
+  templateUrl: './btn-modal-dismiss.page.html',
+  styleUrls: ['./btn-modal-dismiss.page.scss'],
+})
+export class BtnModalDismissPage implements OnInit {
+
+  constructor(
+    private modalController: ModalController, 
+  ) { 
+
+  }
+
+  ngOnInit() {
+
+  }
+  close(){
+    this.modalController.dismiss();
+  }
+
+}