Added example 06 (tax offices) and some description (README.md)

06_TaxOfficesMap/README.md

06_TaxOfficesMap/example06.py

06_TaxOfficesMap/finanzamter-2024-01-28.rdf

06_TaxOfficesMap/install_packages.sh

06_TaxOfficesMap/output.png

06_TaxOfficesMap/output_list.html

06_TaxOfficesMap/output_map.html

README.md