[#30] Implement daily preferences logic

.env

.isort.cfg

.pre-commit-config.yaml

README.md

docker-compose.fedora.yml

docker-compose.full.yml

notifications_routing/config.py

notifications_routing/data_source/data_source.py

...ions_routing/data_source/postgres/postgres_data_source.py

notifications_routing/preferences.py

notifications_routing/router.py

notifications_routing/utils.py

poetry.lock

pyproject.toml

scripts/push_dev.sql

test/__init__.py

test/test_utils.py