Merge branch 'f-hdf5-converter' into 'dev'

.gitlab-ci.yml

CHANGELOG.md

setup.cfg

src/caoscrawler/cfood-schema.yml

src/caoscrawler/converters.py

src/caoscrawler/hdf5_converter.py

src/caoscrawler/scanner.py

src/doc/cfood.rst

src/doc/concepts.rst

src/doc/converters.rst

tox.ini

unittests/h5_cfood.yml

unittests/hdf5_dummy_file.hdf5

unittests/test_h5_converter.py