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-code-display/node_modules/prismjs/components/prism-arff.min.js

@@ -0,0 +1 @@
+Prism.languages.arff={comment:/%.*/,string:{pattern:/(["'])(?:\\.|(?!\1)[^\\\r\n])*\1/,greedy:!0},keyword:/@(?:attribute|data|end|relation)\b/i,number:/\b\d+(?:\.\d+)?\b/,punctuation:/[{},]/};