[Feature] Add Firefly Animation Background

[VaishnaviMankala19]

Description

I want to add Animated fireflies glowing and moving around as background

Screenshots

https://github.com/Rakesh9100/Beautiify/assets/131646799/8633f80d-04b5-4125-9d74-8502756fe30b

Checklist

• [X] I have checked the existing issues.
• [X] I follow Contributing Guidelines of this project.
• [X] I am a GSSOC'24 contributor.
• [ ] I am a IWOC'24 contributor.
• [ ] I am a JWOC'24 contributor.
• [ ] I am a SWOC'24 contributor.

Code of Conduct

• [X] I agree to follow this project's "Code of Conduct".

[github-actions[bot]]

Hey @VaishnaviMankala19, Welcome to the project Beautiify! 🎊 Thanks for opening an issue! 🙌 Please wait for the issue to be assigned. Happy Coding!! ✨

[saurabhsingh720]

@Rakesh9100 new background addition