Add rspec and capybara
Removed test directory
Generate to do list scaffold
Add length and presence validation to todo list title
Add validations for description
Add validations for description
Refactor todo list creation in spec
Test editing todo lists
Add specs for deleting lists
Add todo item model and associated specs
Add todo items controller
Write tests for todo items
Added test for creating todo items and associated code
Add specs and code for editing todo items