Add project structure documentation

[git-lakshy]

This issue suggests adding a structure.txt file in the root directory to document the project layout.

[github-actions]

Thank you for raising this issue!

We'll review it as soon as possible. We truly appreciate your contributions! ✨

Meanwhile make sure you've visited the README.md, CONTRIBUTING.md, and CODE_OF_CONDUCT.md before creating a PR for this. Also, please do NOT create a PR until this issue has been assigned to you. 😊

[ItsMeArm00n]

hi can i have this issue assigned to me ?

[LakshitaAgg15]

please assign me this issue