Given an integer x, return true if x is palindrome integer.

An integer is a palindrome when it reads the same backward as forward.

• For example, 121 is a palindrome while 123 is not.

Exercise: https://leetcode.com/problems/palindrome-number/

Resolution made by francisco veiras:

https://www.youtube.com/watch?v=IhY-XhN84fM&t=301s&ab_channel=FranDev