functions such as createElement, createTextNode,
and appendChild, to create a web page that,
when a button is clicked, adds an H1 element
that says "New List", and below that displays
an unordered list of three text items:
red, yellow, blue.
Create an HTML page with a form for a user
to create a new "account". The form should
have a field for the user to enter their email
address and two password fields
(password, and verify password).
email address has a "@" in it and that the
two password fields match.
If there are any errors, display a message
to the right of the field as was shown
in the example in class.