Merge branch 'f-xlsx-json' into 'f-more-jsonschema-export'

CHANGELOG.md

src/caosadvancedtools/loadFiles.py

src/caosadvancedtools/table_json_conversion/__init__.py

src/caosadvancedtools/table_json_conversion/fill_xlsx.py

...aosadvancedtools/table_json_conversion/table_generator.py

src/doc/table-json-conversion/specs.md

unittests/table_json_conversion/create_jsonschema.py

unittests/table_json_conversion/example.json

unittests/table_json_conversion/example_template.xlsx

unittests/table_json_conversion/how_to_schema.md

unittests/table_json_conversion/model.yml

unittests/table_json_conversion/model_schema.json

unittests/table_json_conversion/test_fill_xlsx.py

...ts/table_json_conversion/test_table_template_generator.py