Blast Reporter class and usage

arkindex_worker/reporting.py

arkindex_worker/worker/__init__.py

arkindex_worker/worker/classification.py

arkindex_worker/worker/element.py

arkindex_worker/worker/entity.py

arkindex_worker/worker/metadata.py

arkindex_worker/worker/transcription.py

docs/contents/implem/configure.md

docs/contents/implem/index.md

docs/ref/reporting.md

mkdocs.yml

tests/test_elements_worker/test_classifications.py

tests/test_elements_worker/test_entities.py

tests/test_reporting.py