chore: add lab for form validation in frontend cert

[jdwilkin4]

We need a lab for them to do on form validation. Here is the workshop they will do before this https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures-v8/learn-form-validation-by-building-a-calorie-counter/step-96

They will also know all of the fundamentals (strings, functions, objects, arrays, etc) They will also know about higher order functions like map, filter, reduce. And they will know DOM basics like getElementById, querySelector, querySelectorAll, click events, change events.

Acceptance criteria

• [ ] create a new folder of the project in the frontend-cert/js-projects directory
• [ ] add your completed project in an script.js file 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