680 add typedocs to new interface

src/app/shared/pagination/paginationChangeEvent.interface.ts

@@ -1,7 +1,19 @@
 import {PaginationComponentOptions} from './pagination-component-options.model';
 import {SortOptions} from '../../core/cache/models/sort-options.model';
 
+
+/**
+ * The pagination event that contains updated pagination properties
+ * for a given view
+ */
 export interface PaginationChangeEvent {
+  /**
+   * The pagination component object that contains id, current page, max size, page size options, and page size
+   */
   pagination: PaginationComponentOptions;
+
+  /**
+   * The sort options object that contains which field to sort by and the sorting direction
+   */
   sort: SortOptions;
 }