refactor: Renamed js to nodejs

- feat: Added util module

string-to-integer-aoi/nodejs/index.js

@@ -17,12 +17,7 @@
  * Assume we are dealing with an environment which could only store integers within the 32-bit signed integer range: [−231,  231 − 1]. If the numerical value is out of the range of representable values, INT_MAX (231 − 1) or INT_MIN (−231) is returned.
 
 */
-const assert = function(condition, message) {
-  if(!condition) {
-    console.error(` ${message}`);
-  }
-  console.log(` ${message}`);
-}
+const { assert }  = require('../../util/js'); 
 
 /**
  * @param {string} str