Add comprehensive library expansion with new components and demos

- Add new libraries: ui-accessibility, ui-animations, ui-backgrounds, ui-code-display, ui-data-utils, ui-font-manager, hcl-studio
- Add extensive layout components: gallery-grid, infinite-scroll-container, kanban-board, masonry, split-view, sticky-layout
- Add comprehensive demo components for all new features
- Update project configuration and dependencies
- Expand component exports and routing structure
- Add UI landing pages planning document

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

projects/ui-data-utils/src/lib/ui-data-utils.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { UiDataUtilsComponent } from './ui-data-utils.component';
+
+describe('UiDataUtilsComponent', () => {
+  let component: UiDataUtilsComponent;
+  let fixture: ComponentFixture<UiDataUtilsComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [UiDataUtilsComponent]
+    })
+    .compileComponents();
+
+    fixture = TestBed.createComponent(UiDataUtilsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});