Show all of the student cards
When the "Show Students" button (below) is clicked, output the photo, name, and favorite color
of each student in studentList
to the #output_container div element. Each student should be
represented in the following format (but the actual info should be different for each student):
<section class="card">
<img src="https://i.pravatar.cc/150?id=1" />
<p>Name: <strong>Walter</strong></p>
<p>Favorite Color: <strong>yellow</strong></p>
</section>