code: func Form(nextSlide func()) (title string, content tview.Primitive) {
  	f := tview.NewForm().
  		AddInputField("First name:", "", 20, nil, nil).
  		AddInputField("Last name:", "", 20, nil, nil).
  		AddDropDown("Role:", []string{"Engineer", "Manager", "Administration"}, 0, nil).
  		AddCheckbox("On vacation:", false, nil).
  		AddPasswordField("Password:", "", 10, '*', nil).
  		AddButton("Save", nextSlide).
  		AddButton("Cancel", nextSlide)
  	f.SetBorder(true).SetTitle("Employee Information")
  	return "Forms", Code(f, 36, 15, form)
  }
docs: // Form demonstrates forms.