The documentation for this image/repository is written in markdown and built by MkDocs into a documentation website hosted at Read the Docs. Here is general information about writing MkDocs markdown and specifics for the Material theme used.
The README.md rarely needs to be modified and only serves as a brief introduction to the project.
The documentation source is maintained in the docs folder and is organized into sections by directory and files. Look through the existing content to determine if an existing file should be updated or a new file/directory added.
It will be very helpful to view the rendered documentation as you're editing. To do that run the following from the top-level directory:
You can access the live documentation rendering at http://localhost:8000.