Initial commit of OpenKIM parser in nomad-lab

LICENSE

README.md

parser/parser-openkim/openkim_tool.py

parser/parser-openkim/parser_openkim.py

parser/parser-openkim/setup_paths.py

src/main/scala/eu/nomad_lab/parsers/OpenkimParser.scala

src/test/scala/eu/nomad_lab/parsers/OpenkimParserSpec.scala

test/examples/README.md

test/examples/data.json