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/rxjs/src/tsconfig.cjs.spec.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.cjs.json",
+  /**
+   * this is pseudo config for test case's relative path resolution to `../src`, runs
+   * cjs config once more instead of manual copying to utilize incremental build.
+   */
+  "compilerOptions": {
+    "outDir": "../dist/src"
+  }
+}