added header with title
added form to add a new item
added divs for lists of finished and unfinished items
added list items with buttons to both lists
user can add new item to to-do list
lists now centered better on page via css
delete button now works for unfinished list items
done button is now created for unfinished list items, doesn't work yet
done and delete buttons both work
added rainbow title
added placeholder for image
changed placeholder for image to body background
put back fonts