Fork and clone the main repo.
Create a new branch and add your code in it.
Create a folder with your name and add contributor.txt in the sub folder along with the project folder that you developed.
The final tree structure of the folders must be like:
-----Project Folder
-----Contributor.txt
Further then open a PR with your new project pushed in this structure discussed above.
The contributor.txt must be compliant with the Contribution guidelines mentioned in the readme and well as the Contribution.md file on the main repo.
Fork and clone the main repo. Create a new branch and add your code in it. Create a folder with your name and add contributor.txt in the sub folder along with the project folder that you developed. The final tree structure of the folders must be like: