Create Project Structure.md

[siri-chandana-macha]

Closes #133

I have added the Project Structure.md a seperate file . This guides contributors on where specific files and folders are located and what they contain.

Note: Please make sure to add necessary labels

[github-actions]

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[ombhojane]

1. please dont have unwanted stuff like images dir
2. currently its appearing really big, have important things
3. please give it in useful way for new-commers to understand the project structure, you may add additional comments so what the dir is for, etc.

[siri-chandana-macha]

Ok I will make changes

[siri-chandana-macha]

@ombhojane
I have made changes once check
tell me if any further changes needed