Add item1 column to lists table, validate presence of item1, tests for presence
Add create action to lists controller
Add new action on lists controller and new view for lists
Add index action to lists controller and index view for lists
Add new action to lists controller
Add simplecov and capybara gems for testing
Start building feature of creating new list, including feature tests
Add show action and view for lists
Add views allowing user to create a new list, with feature test