This project is set to close at the end of 2022, please see - https://www.reddit.com/r/hotas/comments/xufar0/joystick_diagrams_project_closing/
If you are maintaining a fork, get in touch so I can add here to guide others to your repository.
http://joystick-diagrams.com/ - Please use the website for documentation and information
If you have any issues/questions, pop along to discord - https://discord.gg/JC5QFMB
TBC