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-accessibility/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "ui-accessibility",
+  "version": "0.0.1",
+  "description": "Comprehensive accessibility utilities for Angular applications with semantic token integration",
+  "keywords": ["angular", "accessibility", "a11y", "wcag", "focus-management", "screen-reader", "semantic-tokens"],
+  "peerDependencies": {
+    "@angular/common": "^19.2.0",
+    "@angular/core": "^19.2.0",
+    "rxjs": "~7.8.0"
+  },
+  "dependencies": {
+    "tslib": "^2.3.0"
+  },
+  "sideEffects": false
+}