adding BgGenerator

[VaibhavSuryavanshi93]

👨‍💻 Changes proposed

✅ Check List (Check all the applicable boxes)

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• 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

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