Added style class definitions to *Style.d.ts

components/lib/dock/style/DockStyle.d.ts

@@ -1,3 +1,22 @@
+/**
+ *
+ * Dock is a navigation component consisting of menuitems.
+ *
+ * [Live Demo](https://www.primevue.org/dock/)
+ *
+ * @module dockstyle
+ *
+ */
 import { BaseStyle } from '../../base/style';
 
+export enum DockClasses {
+    root = 'p-dock',
+    listContainer = 'p-dock-list-container',
+    list = 'p-dock-list',
+    item = 'p-dock-item',
+    itemContent = 'p-dock-item-content',
+    itemLink = 'p-dock-item-link',
+    itemIcon = 'p-dock-item-icon'
+}
+
 export interface DockStyle extends BaseStyle {}