feat(package): added the alert service to push some notification on t…

…he UI

src/auth/module/services/alert.service.spec.ts

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { AlertService } from './alert.service';
+
+describe('AlertServiceService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [AlertService]
+    });
+  });
+
+  it('should be created', inject([AlertService], (service: AlertService) => {
+    expect(service).toBeTruthy();
+  }));
+});

src/auth/module/services/alert.service.ts

@@ -0,0 +1,15 @@
+import {EventEmitter, Injectable} from '@angular/core';
+import {IAlert} from '../../..';
+
+@Injectable()
+export class AlertService {
+
+  alerts: Array<IAlert> = [];
+  onNewAlert: EventEmitter<IAlert> = new EventEmitter<IAlert>();
+
+
+  constructor() {
+    this.onNewAlert.subscribe((alert: IAlert) => this.alerts.push(alert)
+    );
+  }
+}