Fix formatting in avalynx-datatable.js by adding a newline for improved readability

Author: jschwind

src/js/avalynx-datatable.js

@@ -483,6 +483,7 @@ class AvalynxDataTable {
         this.avalynxTableInstance = null;
     }
 }
+
 /* istanbul ignore next */
 if (typeof module !== 'undefined' && module.exports) {
     module.exports = AvalynxDataTable;