Drum set js

[Asymtode712]

Title and Issue number

Title : Drum set

Issue No. : #308

Code Stack : HTML, CSS, JS

Close #308

Checklist:

• [X] I have mentioned the issue number in my Pull Request.
• [X] I have commented my code, particularly in hard-to-understand areas
• [] I have created a helpful and easy to understand README.md
• [X] I have updated the Index.html file for my contribution

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[Asymtode712]

@sadanandpai @arpansaha13 Kindly review my PR and merge if no issues persist.🙏