Community guidelines: Are there clear guidelines for third parties wishing to 1) Contribute to the software 2) Report issues or problems with the software 3) Seek support
I would suggest using this generator to create a CONTRIBUTING.md file in your repository to meet this requirement: https://generator.contributing.md/
From the JOSS guidelines:
I would suggest using this generator to create a CONTRIBUTING.md file in your repository to meet this requirement: https://generator.contributing.md/