TO-DO App

Create a TO-DO App with Express.js that allow the user to do the following actions:

• Add tasks
• List tasks
• Mark tasks as completed
• Mark ALL tasks as completed
• List completed tasks

Stage 1: Variable

The list of tasks must be stored in a variable of the app. Every time we re-launch the app the tasks will be reset to []

Stage 2: Session

The list of tasks must be stored in a session variable of the app. Every time we close the browser and open it again the tasks will be reset to []

Stage 3: Cookies

The list of tasks must be stored in a cookie of the app. Every time we clean the cookies the tasks will be reset to []

Stage 4: File

The list of tasks must be stored in a file in json format.