added Back To Top functionality and Pankuzu list, Q and A Box, and Hamburger menu components

utils/pankuzuList.ts

@@ -0,0 +1,14 @@
+/**
+ * Type for PankuzuList component
+ * @module utils/pankuzuList
+ */
+
+/**
+ * Interface for PankuzuList component property.
+ * @property {string=} currentPageName Name of page to show at the end of pankuzu list.
+ */
+interface PankuzuListProperty {
+    currentPageName?: string;
+}
+
+export type { PankuzuListProperty };