Get "Used By" section on repo

[npr99]

requirements.txt

https://github.com/Kanaries/pygwalker/tree/main

https://docs.github.com/en/code-security/supply-chain-security/understanding-your-software-supply-chain/about-the-dependency-graph#supported-package-ecosystems

I noticed in pygwalker github page that they have a used by section. Also the package has a nice readme page.

It looks like a package that uses another package needs to have a requirments.txt file - then github can identify the package that depends on another package and will make a used by section on the repository.