Add Test app

[AnshMeshram]

Test app using JS

Issue No. : #292

Code Stack: a mini-challenge, test app with js, a use-friendly project.

Close #292

Checklist:

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

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[sadanandpai]

Please work on the app and make it proper