Implement play again and high score features

[ng-lis]

Type of change

• [ ] Added new project
• [ ] Bug fix
• [x] New features
• [x] Enhanced documentation

Changes proposed in this pull request

• implemented the Play Again feature to allow users to restart the game after it ends

• added functionality to display a high score

• added documentation

• Project name :

  Snake Game

• Short description :

  I have made enhancements to the Snake Game project included two new features and improvements in the documentation.

Checklist

• [x] The code is Python 3 compatible
• [x] I have added relevant comments in my file to make code understandable
• [x] I have added my project in a folder which includes all the necessary files

[github-actions[bot]]

Greetings! This is an automated message from GitHub Actions. :robot: Your pull request has been received and is awaiting for a review by the repository owner or a maintainer. This may take some time, so please be patient. While you wait, you can continue to work on other issues or pull requests, or explore the project further. Or you can simply relax and enjoy your day. Thank you for your contribution to this project! You are awesome! :star:

[ng-lis]

Hi @Mrinank-Bhowmick and maintainers, I am still in the early stages of my programming journey and I'm reaching out for some feedback on my changes. I'm interested to hear your suggestions or recommendations for improving the code structure or functionality. I'm open to any feedback whether on coding practices or even general programming advice. Thanks!

[Mrinank-Bhowmick]

Hey @ng-lis , Thanks for the changes 🚀