We (EmR) are happy that you showed interest in our project and are willing to contribute to it. Non EmR members may contribute in the following ways:
When raising issues, clearly mention the aspect of the project (you think) it pertains to, the problem you face, and proposed solutions (if any). Members of the club will then contact soon to assess the validity of the issue.
When submitting PRs, mention the issues/problems it resolves (if any) and briefly describe your approach to solve the problem. The maintainers/members will then review your code for merging. Please note that non club members shall not submit PRs to change core project files like README and CONTRIBUTING. Non club members shall also not be assigned any issues, though you are welcome to work on any.