[ADF-2557] Updated docs with new props script (#3149)

* [ADF-2557] Updated docs for services with new props script

* [ADF-2557] Updated service docs with new props script

lib/core/services/deleted-nodes-api.service.ts

@@ -36,6 +36,7 @@ export class DeletedNodesApiService {
     /**
      * Gets a list of nodes in the trash.
      * @param options Options for JSAPI call
+     * @returns List of nodes in the trash
      */
     getDeletedNodes(options?: Object): Observable<NodePaging> {
         const { nodesApi, handleError } = this;