Added learn page for Movie Quiz page (moviequizcode.html in the branch brain)
figured out how to display HTML code without breaking the page;
"<" replaced by %lt and ">" replaced by %gt in the HTML page source, %lt and %gt show up in the deployed site as < and > respectively
simply removed Jinja2 opening {% and closing %} in the learn page for ease; couldn't figure out how to display them and simultaneously not break the page