refactor: clean up whitespace in add function

Author: ioncakephper

src/index.js

@@ -5,10 +5,7 @@
  * @returns {number} The sum of the two numbers.
  */
 function add(a, b) {
-
-
-                  
-                        return a + b;            
+  return a + b;
 }
 
 module.exports = add;