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/plugins/unescaped-markup/prism-unescaped-markup.css

@@ -0,0 +1,10 @@
+/* Fallback, in case JS does not run, to ensure the code is at least visible */
+[class*='lang-'] script[type='text/plain'],
+[class*='language-'] script[type='text/plain'],
+script[type='text/plain'][class*='lang-'],
+script[type='text/plain'][class*='language-'] {
+	display: block;
+	font: 100% Consolas, Monaco, monospace;
+	white-space: pre;
+	overflow: auto;
+}