Respond to a mouseover event in Vue with the v-on directive

We'll look at another HTML event and use the v-on directive to handle mouse over events.

While doing so we'll see a few concepts that you've been introduced to so far in the course. We will be iterating over a list of data that has been added and then create a updateImage method that will replace the page image with the image of the ticket that we mouse over with the @mouseover event.