Add Input component

src/app/tutorials/input/input.component.html

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+<div>
+  <p>You can use @Input to decorate a field making it accept values sent by the component props.</p>
+  <p>For example:</p>
+  <pre>
+    export class TitleComponent {{ '{' }}
+      @Input()
+      message: string;
+    {{ '}' }}
+  </pre>
+
+  <p>And then you can call the component passing a value for message.</p>
+  <pre>
+    &lt;app-title message="Hello world" /&gt;
+  </pre>
+
+  <app-title message="Hello world"></app-title>
+</div>

src/app/tutorials/input/input.component.spec.ts

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

src/app/tutorials/input/input.component.ts

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+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'app-input',
+  templateUrl: './input.component.html',
+  styleUrls: ['./input.component.scss']
+})
+export class InputComponent {
+}