fix(core): update

ts/smartobject.classes.smartobject.ts

@@ -1,10 +1,9 @@
-import * as tools from './tools';
+import * as tools from './tools/index.js';
 
 /**
  * a smartobject that simplifies accessing objects
  */
 export class SmartObject {
-
   // instance
   public originalObject: object;
   constructor(originalObjectArg: object) {
@@ -22,4 +21,4 @@ export class SmartObject {
   public toFlatObject() {
     return tools.toFlatObject(this.originalObject);
   }
-}
+}