Our standard templates available are Generic Monograph and Generic Journal. Select one in the editing UI and you can modify standard settings like paper size and headers.
Templates are available on standard installations by default. If you run your own instance you can copy them into your own template directory.
You can check a template's configuration.sfo.yml file to see its default configuration but it is easier to use the UI and navigate to the meta data options as shown in the figure below.
Customizing the standard options
The configuration options for standard templates are saved alongside the document when you save it. To setup different defaults, you can copy an existing template and change the configuration.sfo.yml