odin-default-js-exercises/repeatString - DONE

Exercise 02 - repeatString

Write a function that simply repeats the string a given number of times:

repeatString('hey', 3) // returns 'heyheyhey'

Hints

• You're going to want to use a loop for this one.

• Create a variable to hold the string you're going to return, create a loop that repeats the given number of times and add the given string to the result on each loop.