Overview :
This React application is a to-do list manager that uses local storage for data persistence. It allows users to add, update, mark as complete, and delete to-do items.
Features :
1. Add new to-do items with a title and description.
2. Update existing to-do items.
3. Mark to-do items as completed or uncompleted.
4. Delete to-do items.
5. Data is stored in local storage for persistence.