Reverse a String - Portuguese (#34513)

* Reverse a String - Portuguese

* Add invocation

Co-Authored-By: MGenteluci <mgenteluci97@gmail.com>

curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.portuguese.md

@@ -56,6 +56,10 @@ reverseString("hello");
 <section id='solution'>
 
 ```js
-// solution required
+function reverseString(str) {
+  return str.split('').reverse().join('');
+}
+
+reverseString("hello");
 ```
 </section>