2048 Game and Speed_typer

[itzAk27]

🛠️ Fixes Issue (Number)

Done Few Changes 2048 and Speed_typer

👨‍💻 Changes proposed

2048 : Changes it's UI and some CSS speed_typer : Changes it's Difficulty Levels like Easy, Medium and Hard, Change in UI and some modification in javaScript

✅ Check List (Check all the applicable boxes)

• [✅] My code doesn't break any part of the project (Zero Octave-Javascript-Projects).
• [✅] This PR does not contain plagiarized content.
• [✅] My Addition/Changes works properly and matches the overall repo pattern.
• [✅] The title of my pull request is a short description of the requested changes.

📄 Note to reviewers

📷 Screenshots

[github-actions[bot]]

Thank you @itzAk27 for taking out your valuable time in order to contribute to our project. Looking forward for more such amazing contributions :)