test_cli.py
update tests by adding a test_utils module
add `from-mails` command that connect to the mailbox using configurations in .env file, parse, classify and report all not analyzed files.
add cli using typer, its option --input-dir, --input-files and --output-dir, add related tests, add logging, add and update of the package version in `logwatcher/__init__.py`, correct templates in `reporter.py`