Merge pull request #27 from Phixyn/7-form-validation-errors

Add an E2E test for character count in edit mode

Fix failing Cypress tests

Write new E2E tests for form validation

Update component tests for AddTodo

Add a 500 character limit to tasks

Replace alert usage with form validation errors

Merge pull request #26 from Phixyn/improve-ui

Update README with storage information

Improve edit input field

Increase size of checkboxes

Add round background to buttons

Update button and text size

Add Tailwind CSS classes for responsive design

Merge pull request #25 from Phixyn/19-use-localstorage