add login with dummy Data

add login page
add subcomponents

src/app/dashboard/header/header.component.css

@@ -0,0 +1,10 @@
+.header {
+    position: fixed;
+    top: 1rem;
+    left: 5vw;
+    width: 90vw;
+    margin: 0 auto;
+    background-color: #27293D;
+    z-index: 999;
+    border-radius: 8px;
+}

src/app/dashboard/header/header.component.html

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+<div class="header" *ngIf="this.dashboard.user != undefined">
+    <p>HEADER</p>
+</div>

src/app/dashboard/header/header.component.spec.ts

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

src/app/dashboard/header/header.component.ts

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+import { Component, OnInit } from '@angular/core';
+import { Router } from '@angular/router';
+import { DashboardService } from 'src/app/dashboard.service';
+
+@Component({
+  selector: 'dashboard-header',
+  templateUrl: './header.component.html',
+  styleUrls: ['./header.component.css']
+})
+export class DashboardHeaderComponent implements OnInit {
+
+  constructor(
+    public dashboard: DashboardService,
+    public router: Router
+  ) { }
+
+  ngOnInit(): void {
+  }
+
+}