BREAKING CHANGE(dees-appui-secondarymenu): Add SecondaryMenu component and replace Mainselector with new SecondaryMenu in AppUI

ts_web/elements/interfaces/index.ts

@@ -2,3 +2,4 @@ export * from './tab.js';
 export * from './selectionoption.js';
 export * from './appbarmenuitem.js';
 export * from './menugroup.js';
+export * from './secondarymenu.js';

ts_web/elements/interfaces/secondarymenu.ts

@@ -0,0 +1,20 @@
+/**
+ * Interface for individual menu items in the secondary menu
+ */
+export interface ISecondaryMenuItem {
+  key: string;
+  iconName?: string;
+  action: () => void;
+  badge?: string | number;
+  badgeVariant?: 'default' | 'success' | 'warning' | 'error';
+}
+
+/**
+ * Interface for collapsible groups in the secondary menu
+ */
+export interface ISecondaryMenuGroup {
+  name: string;
+  items: ISecondaryMenuItem[];
+  collapsed?: boolean;
+  iconName?: string;
+}