Updated the UI of the 2048 Game and added some features.

[Krishcodes-awesomestuff]

Pull Request for Play With Python 💡

Issue Title : Enhancement: Added Score System and Restart Feature to 2048 Game

• Info about the related issue (Aim of the project) : Enhanced the 2048 game by adding score display, high score system with file persistence, and restart functionality to improve user experience
• Name: Krishnaprasath Venkadesan
• GitHub ID: Krishcodes-awesomestuff
• Email ID: [email protected]
• Idenitfy yourself: (Mention in which program you are contributing in.) python

Closes: #issue number that will be closed through this PR

Describe the add-ons or changes you've made 📃

1. Added Score Display System:

   • Implemented real-time score display during gameplay
   • Score updates dynamically when tiles merge
   • Score display is prominently shown at the top of the game window

2. High Score System Implementation:

   • Added persistent high score tracking using file storage
   • High score is maintained between game sessions
   • High score display updates automatically when broken
   • Uses 'high_score.txt' for score persistence

3. Restart Functionality:

   • Added a restart button to the game interface
   • Allows players to start a fresh game at any time
   • Properly resets all game states while preserving high score

4. Documentation Updates:

   • Updated README.md with new features and functions
   • Added documentation for new methods
   • Updated contributors list

5. Code Improvements:

   • Added new methods for score management
   • Implemented game state management for restart feature
   • Enhanced user interface with new display elements

Type of change ☑️

What sort of change have you made:

• Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Code style update (formatting, local variables)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested? ⚙️

I ran it locally in my terminal, it works! no cap

Checklist: ☑️

• My code follows the guidelines of this project.
• I have performed a self-review of my own code.
• I have commented my code, particularly wherever it was hard to understand.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added things that prove my fix is effective or that my feature works.
• Any dependent changes have been merged and published in downstream modules.