Merge branch 'doc_argparse' into 'master'

docs/conf.py

docs/doc_requirements.txt

docs/docstring.rst

docs/docstring_sources/eossr.rst

docs/docstring_sources/eossr.scripts.rst

docs/docstring_sources/eossr_cli.rst

...tring_sources/eossr_cli/eossr-check-connection-zenodo.rst

docs/docstring_sources/eossr_cli/eossr-codemeta2zenodo.rst

.../docstring_sources/eossr_cli/eossr-metadata-validator.rst

docs/docstring_sources/eossr_cli/eossr-upload-repository.rst

docs/docstring_sources/eossr_cli/eossr-zip-repository.rst

docs/index.rst

docs/metadata/funder_codemeta.rst

eossr/scripts/check_connection_zenodo.py

eossr/scripts/eossr_codemeta2zenodo.py

eossr/scripts/eossr_metadata_validator.py

eossr/scripts/eossr_upload_repository.py

eossr/scripts/update_codemeta.py

eossr/scripts/zenodo_user_entries_cleanup.py

eossr/scripts/zip_repository.py