add iteration ironhack-labs#1

Author: ignazka

src/functions-and-arrays.js

@@ -1,5 +1,10 @@
 // Iteration #1: Find the maximum
-function maxOfTwoNumbers() {}
+function maxOfTwoNumbers(num1, num2) {
+  const isNum1Bigger = num1 > num2;
+  if(isNum1Bigger){
+    return num1;
+  } else return num2;
+}