Feat : Added background image to the home screen

[Tushar-Vij]

PR Description 📜

Feat : Added background image to the home screen

Fixes #3723

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• [✅ ] I have performed a self-review of my own code or work.
• [✅] I have commented my code, particularly in hard-to-understand areas.
• [✅ ] My changes generates no new warnings.
• [✅ ] I have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• [✅ ] I have added screenshot for website preview in assets/images
• [✅ ] I have added entries for my game in main README.md
• [✅ ] I have added README.md in my folder
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[kunjgit]

Thank you @Tushar-Vij ,for creating the PR and contributing to our GameZone 💗 Review team will review the PR and will reach out to you soon! 😇 Make sure that you have marked all the tasks that you are done with ✅. Thank you for your patience! 😀

[ishita-43]

Provide screenshot of the whole result page.