Contributing is always a nice thing and helps creating a well maintained project.
There are many different ways to contribute -Create a pull request with new scripts or links to new scripts that should be added to the list -Take care of an issue! Taking care of an issue helps this project grow -Take care of issues on the listed scripts: By making pull requests from the scripts that are listed here you make those better quality and ensure a powerful list where everyone can find what he's looking for! -And many many more! Get creative. What are you waiting for?
Never made a PR before? No problem! There are dozens of tutorials available online. Just take a look! However, a good place to start is YourFirstPR