Reorganized default mapping and resource files

CHANGELOG.md

README.md

ckanext/odsh/helpers.py

ckanext/odsh/helpers_tpsh.py

ckanext/odsh/logic/action.py

ckanext/odsh/precondition.py

ckanext/odsh/profiles/odsh_european_dcatap_profile.py

ckanext/odsh/resources/fileformats.rdf

ckanext/odsh/resources/language_mapping.json

ckanext/odsh/resources/languages.json

ckanext/odsh/resources/licenses.json

ckanext/odsh/resources/mdk_mapping.json

ckanext/odsh/resources/resource_format_openness_scores.json

ckanext/odsh/resources/schleswig-holstein_geojson.csv

ckanext/odsh/resources/subject_mapping.json

ckanext/odsh/tests/test_env.py

ckanext/odsh/tests/test_helpers.py

ckanext/odsh/tests_tpsh/test_helpers_tpsh.py

ckanext/odsh/validation.py