add changelog component (test sample html gen from py)

client/src/app/features/changelog/changelog.component.spec.ts

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

client/src/app/features/changelog/changelog.component.ts

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+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-changelog',
+  standalone: true,
+  templateUrl: './changelog.component.html',
+  styleUrls: ['./changelog.component.css']
+})
+export class ChangelogComponent {
+
+}