Merge branch 'dev' into f-egu22-enhancements

.gitlab-ci.yml

CHANGELOG.md

CITATION.cff

RELEASE_GUIDELINES.md

setup.cfg

src/caoscrawler/cfood-schema.yml

src/caoscrawler/converters.py

src/caoscrawler/crawl.py

src/caoscrawler/identifiable.py

src/caoscrawler/identifiable_adapters.py

src/caoscrawler/version.py

src/doc/conf.py

src/doc/converters.rst

src/doc/tutorials/example.rst

src/doc/tutorials/example_crawler.svg

src/doc/tutorials/index.rst

tox.ini

unittests/test_converters.py

unittests/test_data/failing_validation/cfood.yml

unittests/test_data/failing_validation/cfood2.yml