add calendar settings

src/app/services/calendar-service.spec.ts

@@ -3,14 +3,14 @@ import { TestBed } from '@angular/core/testing';
 import { Calendar } from './calendar';
 
 describe('Calendar', () => {
-  let service: Calendar;
+	let service: Calendar;
 
-  beforeEach(() => {
-    TestBed.configureTestingModule({});
-    service = TestBed.inject(Calendar);
-  });
+	beforeEach(() => {
+		TestBed.configureTestingModule({});
+		service = TestBed.inject(Calendar);
+	});
 
-  it('should be created', () => {
-    expect(service).toBeTruthy();
-  });
+	it('should be created', () => {
+		expect(service).toBeTruthy();
+	});
 });