Added chat integration with socket.io

src/app/services/websocket.service.ts

@@ -0,0 +1,21 @@
+import { Injectable } from '@angular/core';
+import * as io from 'socket.io-client';
+import { Observable } from 'rxjs';
+import { Socket } from 'ngx-socket-io';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class WebsocketService {
+
+  message = '';
+  messages = [];
+  currentUser = '';
+
+  constructor(private socket: Socket) { }
+
+  connect(){
+    return this.socket.connect();
+  }
+
+}