Metadata conversion is missing in the migration guide
At the moment the metadata of the scenario file header is addressed in the migration guide here: https://simulation.pages.asam.net/openscenario/openscenario-antora-gen/ASAM_OpenSCENARIO_Migration/latest/mg_storyboard.html#_file_headers
It is stated that 'Metadata can be added as fields to the top-level scenario.' Needs clarification, what fields are (example?) and if this is a sufficient solution