The GitHub website provides not only the source code, but also installation instructions and a user guide in the form of a use case. In addition, you can find a more detailed explanation of FADI in the presentation slideshow
The repository also contains the Helm chart to install FADI in a Kubernetes cluster.
In case you encounter an issue with FADI, have a feature request or any other question, feel free to open an issue. See also the FAQ.
https://github.com/cetic/fadi