feat(dees-appui-appbar): implement dynamic menu system with support for submenus, shortcuts, and user account features

feat(dees-contextmenu): adjust menu item positioning for improved alignment
fix(dees-appui-appbar.demo): add demo functionality for app bar with dynamic menu items and user interactions
feat(interfaces): create IAppBarMenuItem interface for enhanced menu item configurations
docs: add comprehensive improvement plan for dees-appui-appbar component

ts_web/elements/interfaces/appbarmenuitem.ts

@@ -0,0 +1,34 @@
+import * as plugins from '../00plugins.js';
+
+/**
+ * Divider menu item
+ */
+export interface IAppBarMenuDivider {
+  divider: true;
+}
+
+/**
+ * Regular menu item
+ */
+export interface IAppBarMenuItemRegular extends plugins.tsclass.website.IMenuItem {
+  id?: string;
+  shortcut?: string; // e.g., "Cmd+S" or "Ctrl+S"
+  submenu?: IAppBarMenuItem[];
+  disabled?: boolean;
+  checked?: boolean; // For checkbox menu items
+  radioGroup?: string; // For radio button menu items
+}
+
+/**
+ * Extended menu item interface for app bar menus
+ * Can be either a regular menu item or a divider
+ */
+export type IAppBarMenuItem = IAppBarMenuItemRegular | IAppBarMenuDivider;
+
+/**
+ * Interface for the menu bar configuration
+ */
+export interface IMenuBar {
+  menuItems: IAppBarMenuItem[];
+  onMenuSelect?: (item: IAppBarMenuItem) => void;
+}

ts_web/elements/interfaces/index.ts

@@ -1,2 +1,3 @@
 export * from './tab.js';
 export * from './selectionoption.js';
+export * from './appbarmenuitem.js';