As you may have seen, the usage of this repo install a really basic template, with little to no configuration, neither extra content such as extra JS nor CSS.
But, you may want to use extra plugins such as
mkdocs-mermaid2-plugin or provide a basic
as well as licenses or a default file
docs/_data/vars.yml for all your
To do so, you will need to create your own template and use it. To learn how to do, see:
Finally, you can see the Example custom template to give you hint about what can be done.