How to submit ppt / project in summer of codesfest-20?

Hi guys,
Im a fresher 2030 btech 2030 first time participating in a hackathon.

As a task, We are supposed to make a ppt of our idea which ive done now i am think where am i supposed to submit it? I do not see any option like that.

I have got a mail with a github repo which i have cloned and started comiting to it but I am not sure how to upload ppt.

Please help

Regards