chore: add another event lab to frontend cert

[jdwilkin4]

For this lab, we want to give them more practice working with events.

Campers will have already complete the previous fundamentals modules(strings, variables, arrays, numbers, Math object, objects, etc) So you can see the sheet for more details to see the complete list of what is covered. They will also be familiar with the following:

• addEventListener
• removeEventListener
• click events
• change events
• textContent
• innerHTML
• el.style

Acceptance criteria

• [ ] create a new folder of the project in the frontend-cert/js-projects directory
• [ ] add your completed project in an index.html, styles.css and script.js files in that new folder
• [ ] create a markdown file for your proposed user stories. You should call it user-stories.md and place it in your new project folder