Post Launch Enhancements

[jonny-no1]

• Add progress bar
• Improve mobile styles for checkbox grid (what does Google Forms do?)
• Dropdown widget needs a border or downward arrow
• For “interests” allow option Other with free-hand topic associated
• Assess and improve accessibility #a11y
• Each component should be in its own folder
• Change ApplicationForm to VolunteersApplicationsForm
• Don't use index.html, but volunteers-application-form.html