Merge branch 'f-rocrate-converter' into 'dev'

.gitlab-ci.yml

CHANGELOG.md

setup.cfg

src/caoscrawler/converters/__init__.py

src/caoscrawler/converters/converters.py

src/caoscrawler/converters/rocrate.py

src/caoscrawler/converters/xml_converter.py

src/caoscrawler/scanner.py

src/caoscrawler/structure_elements/__init__.py

...scrawler/structure_elements/rocrate_structure_elements.py

tox.ini

unittests/eln_cfood.yaml

unittests/eln_files/PASTA.eln

unittests/eln_files/records-example.eln

unittests/test_rocrate_converter.py