added typedoc for toplevel communities component

src/app/+home-page/top-level-community-list/top-level-community-list.component.ts

@@ -11,6 +11,9 @@ import { fadeInOut } from '../../shared/animations/fade';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
 import { take } from 'rxjs/operators';
 
+/**
+ * this component renders the Top-Level Community list
+ */
 @Component({
   selector: 'ds-top-level-community-list',
   styleUrls: ['./top-level-community-list.component.scss'],
@@ -20,8 +23,19 @@ import { take } from 'rxjs/operators';
 })
 
 export class TopLevelCommunityListComponent implements OnInit {
+  /**
+   * A list of remote data objects of all top communities
+   */
   communitiesRD$: BehaviorSubject<RemoteData<PaginatedList<Community>>> = new BehaviorSubject<RemoteData<PaginatedList<Community>>>({} as any);
+
+  /**
+   * The pagination configuration
+   */
   config: PaginationComponentOptions;
+
+  /**
+   * The sorting configuration
+   */
   sortConfig: SortOptions;
 
   constructor(private cds: CommunityDataService) {
@@ -36,6 +50,10 @@ export class TopLevelCommunityListComponent implements OnInit {
     this.updatePage();
   }
 
+  /**
+   * Called when one of the pagination settings is changed
+   * @param event The new pagination data
+   */
   onPaginationChange(event) {
     this.config.currentPage = event.page;
     this.config.pageSize = event.pageSize;
@@ -44,6 +62,9 @@ export class TopLevelCommunityListComponent implements OnInit {
     this.updatePage();
   }
 
+  /**
+   * Update the list of top communities
+   */
   updatePage() {
     this.cds.findTop({
       currentPage: this.config.currentPage,