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/show-invisibles/prism-show-invisibles.css

@@ -0,0 +1,34 @@
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+	position: relative;
+}
+
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+.token.lf:before,
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+	color: #808080;
+	opacity: 0.6;
+	position: absolute;
+}
+
+.token.tab:not(:empty):before {
+	content: '\21E5';
+}
+
+.token.cr:before {
+	content: '\240D';
+}
+
+.token.crlf:before {
+	content: '\240D\240A';
+}
+.token.lf:before {
+	content: '\240A';
+}
+
+.token.space:before {
+	content: '\00B7';
+}