Hai

[Thiyophin]

How to become a part of this repo

[HarishM-git]

just find some idea and implement that with a local version of this repo and try to pull that code if your code is quite recognisible then they will add your code in the repo then you will be the member of this repo automatically
i hope this is the answer you are searching for
if possible mark me as anwer!
thank you