already done
Types in header
TodoApp methods

filteredTodos in List

demo

## app

Add Types to TodoApp
change 'filter' state value to demonstrate

## List (open list next to app)

Demo TodoApp.types
Add Types in List

## App

Back to App, add complete={this.\_complete} to Todolist - show types, change complete to 'false', filter

## List

add complete, pass to item (prop drilling)

## List Item (move List Item into App window)

TodoListItemProps, extend, id, complete (possible abstraction)
add props, add complete to List item

## List

Demo how you can't add random things to TodoListItem or item's this.props now

exercise

Add types to footer
Add onClick to button
Add types to header
Add setFilter to filter buttons
write onAdd function
place onAdd to submit button