@kmf I responde to you in a more appropriated topic. Maybe you already figured out an answer to your question in the meantime.
I see you already made a fork. Your commits should be made in your fork, maybe creating a new branch based on develop, you could call your branch “tape-refactoring” for instance. When everything is up and running you could merge it to your develop branch, and then ask for a pull request to the original repository.
You can read the documentation that slspencer posted, it’s very good to understand the workflow we should work with: