Enhance comments for clarity in 3-to-pounds.js

Added comments explaining the purpose of each step in the code.

Author: anitahy73

Sprint-1/3-mandatory-interpret/3-to-pounds.js

@@ -25,3 +25,11 @@ console.log(`£${pounds}.${pence}`);
 
 // To begin, we can start with
 // 1. const penceString = "399p": initialises a string variable with the value "399p"
+/*
+3-6. It is taking the vaule from pencestring and using substring to return part of the string, by -1 so from the end resualting in "399"
+8. It is now adding "0" infront of vaule if the vaule is under 3 characters in size.
+9-12. Using the substring function to reduce the size of the vaule to just 2 characters.
+14-16. Taking the value from paddedPenceNumberString and this time with substring, only showing the last 2 characters in teh value.
+       Then with using .padEnd it ensures that 2 characters are shown with 0 being there is nothing is there.
+18. howing the resualt of the code starting with a "£" then the value of "pounds" then a "." and lastly value of "pence"
+*/