initial commit for ToDoList project version 2
adds a storyboard
adds a view controller
test run with label
adds text box to enter to do list
uses a different placeholder text
uses auto layout
adds a table view controller
add static values to the table view
embeds in navigation controller
adds a segue to add item
change sugue style to modal
embed the add view into navigation controller
defines the view of the add items view
custom view controllers for all the views
unwind to the main table view