#19: add onboarding page component

src/app/shared/components/on-boarding-page/on-boarding-page.component.html

+<p>on-boarding-page works!</p>

src/app/shared/components/on-boarding-page/on-boarding-page.component.spec.ts

+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { OnBoardingPageComponent } from './on-boarding-page.component';
+
+describe('OnBoardingPageComponent', () => {
+  let component: OnBoardingPageComponent;
+  let fixture: ComponentFixture<OnBoardingPageComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [OnBoardingPageComponent]
+    })
+    .compileComponents();
+    
+    fixture = TestBed.createComponent(OnBoardingPageComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/shared/components/on-boarding-page/on-boarding-page.component.ts

+import { Component } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+@Component({
+  selector: 'gp-on-boarding-page',
+  standalone: true,
+  imports: [CommonModule],
+  templateUrl: './on-boarding-page.component.html',
+  styleUrl: './on-boarding-page.component.scss'
+})
+export class OnBoardingPageComponent {
+
+}