lipidmaps_repo( repofile = 'system.file'('data/LIPIDMAPS.msgpack', 'package' = 'mzkit'), gsea = FALSE, category = FALSE);
the file path of the messagepack repository data file. default file path is the internal data file in mzkit package.
the lipidmaps database should be cast to a gsea background?
a data seuqnece of lipidmaps metadata