Tests documentation

[anagudelogu]

In this Milestone I:

• Fixed tests for the counter functions.
• Fixed cursor styling for better UX.
• Added descriptive information to the documentation and a preview image on different devices.
• Deploy the page.
• Fix linters
• Fix minor issues

closes #97

[Danie12345]

STATUS: APPROVED ✅🤑🤑

Hi @anagudelogu 👋

Good job adding the documentation and fixing the tests!

There's nothing else to say other than it's time to MERGE it! :D

To Highlight 🎉

• No linter errors. ✔️
• GitHub flow is followed. ✔️
• Professional README file. ✔️
• Good commit messages. ✔️
• PR has a good description and title ✔️

Required Changes ♻️

• None! :D

Every comment with the [OPTIONAL] prefix is not crucial enough to stop the approval of this PR. However, I strongly recommend you to take them into account as they can make your code better.

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.

Please, do not open a new Pull Request for re-reviews. You should use the same Pull Request submitted for the first review, either valid or invalid unless it is requested otherwise.

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