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/zone.js/lib/zone.api.extensions.d.ts

@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+declare global {
+    /**
+     * Additional `EventTarget` methods added by `Zone.js`.
+     *
+     * 1. removeAllListeners, remove all event listeners of the given event name.
+     * 2. eventListeners, get all event listeners of the given event name.
+     */
+    interface EventTarget {
+        /**
+         *
+         * Remove all event listeners by name for this event target.
+         *
+         * This method is optional because it may not be available if you use `noop zone` when
+         * bootstrapping Angular application or disable the `EventTarget` monkey patch by `zone.js`.
+         *
+         * If the `eventName` is provided, will remove event listeners of that name.
+         * If the `eventName` is not provided, will remove all event listeners associated with
+         * `EventTarget`.
+         *
+         * @param eventName the name of the event, such as `click`. This parameter is optional.
+         */
+        removeAllListeners?(eventName?: string): void;
+        /**
+         *
+         * Retrieve all event listeners by name.
+         *
+         * This method is optional because it may not be available if you use `noop zone` when
+         * bootstrapping Angular application or disable the `EventTarget` monkey patch by `zone.js`.
+         *
+         * If the `eventName` is provided, will return an array of event handlers or event listener
+         * objects of the given event.
+         * If the `eventName` is not provided, will return all listeners.
+         *
+         * @param eventName the name of the event, such as click. This parameter is optional.
+         */
+        eventListeners?(eventName?: string): EventListenerOrEventListenerObject[];
+    }
+}
+export {};