Add/Remove Functionality

[Trictonicmp]

Add/Remove

in this PR I:

• Added CSS variables to be able to make a dark-mode in a future PR
• Added a Favicon icon
• Added a function to be able to select list items
• Added a function to edit the list item
• Added a function to add a new list item
• Added a function to remove a list item
• Added a function to update each list item index
• Added a function to save the local storage data as the user makes changes on a list item
• Changed the structure of the HTML list items

[keroloussamy]

Hi @Trictonicmp,

Your project is complete! There is nothing else to say other than... it's time to merge it
Congratulations! 🎉

To highlight 🎯

• No linter errors.✔️
• Good code design and implementation. ✔️
• Add all the requirements. ✔️

Cheers and Happy coding!👏👏👏

Feel free to leave any questions or comments in the PR thread if something is not 100% clear.
Please, remember to tag me in your question so I can receive the notification.

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