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.min.js

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+!function(){if("undefined"!=typeof Prism){var r={tab:/\t/,crlf:/\r\n/,lf:/\n/,cr:/\r/,space:/ /};Prism.hooks.add("before-highlight",(function(r){i(r.grammar)}))}function e(r,a){var n=r[a];switch(Prism.util.type(n)){case"RegExp":var t={};r[a]={pattern:n,inside:t},i(t);break;case"Array":for(var f=0,s=n.length;f<s;f++)e(n,f);break;default:i(t=n.inside||(n.inside={}))}}function i(a){if(a&&!a.tab){for(var n in r)r.hasOwnProperty(n)&&(a[n]=r[n]);for(var n in a)a.hasOwnProperty(n)&&!r[n]&&("rest"===n?i(a.rest):e(a,n))}}}();