There are many ways to contribute to JZFlow. This document lays out what they are and has information on how to get started. If you have any questions about contributing or need help with anything, please ask in the GitDataAI channel on Discord or QQ. Feel free to also ask questions on issues, or file new issues specifically to get help.
It would be really useful to have people use rustfmt on their projects and file issues where it does something you don't expect.