Minimal vasp OUTCAR parser
The archive does not have a Vasp parser for OUTCAR files (non xml). But, these are the only files for many OQMD calculations. We need to implement a new parser, based on the existing old repository API parser: https://gitlab.mpcdf.mpg.de/NoMaD/NomadRepositoryParser/blob/v2.1/python/nomadrepo/parsers/VASP/VASP.py