fix(core): update

ts/smartsitemap.classes.smartsitemap.ts

@@ -11,7 +11,7 @@ export class SmartSitemap {
    */
   public async createSitemapNewsFromFeedUrl(feedUrlArg: string): Promise<string> {
     const sitemapNewsInstance = new SitemapNews({});
-    await sitemapNewsInstance.readAndAddFromRssFeed(feedUrlArg);
+    await sitemapNewsInstance.readAndAddFromRssFeedUrl(feedUrlArg);
     return sitemapNewsInstance.exportSitemapXml();
   }