Merge branch 'Post_38c3_02' into 'main'

Makefile

README.md

ci-cd/requirements.txt

data/db.json

data/usage.ini

docker/app/Dockerfile

docker/cups/printers.conf

docker/docker-compose.yml

src/config.yml

src/main.py

src/requirements.txt

src/settings.py

src/tests/files/2025_01_17_Graphana.png

src/tests/files/2025_01_17_Graphana_2.png

src/tests/utils/test_app_db.py

src/tests/utils/test_app_printer.py

src/tests/web/test_server.py

src/utils/__init__.py

src/utils/app_configuration.py

src/utils/app_default_vals.py