Since llast upgrade build is broken. Lets fully migrate to
pyproject.toml. Note for maintaners: because data_files option is
deprectated (see https://github.com/pypa/setuptools/discussions/2648)
you will have to install files manually inside your packaging process
* migrate docstrings from reST to google format
* add raises note
Also change behaviour of the `from_option` method to fallback to
disabled instead of raising exception on unknown option
* fix part of warnings for sphinx
* make identation a bit more readable
* review fixes
* add verbose description for properties to make them parsed by sphinx extenstion
* add demo sphinx generator
this also requires to move default configuration files to share/ahriman.
Thus the following features have been added
* default configuration is not stored in /usr/share/ahriman/settings
* package installed via PKGBUILD now copies files from /usr
* configuration class now fallbacks to default in /usr
* add models tests (#1)
also replace single quote to double one to confort PEP docstring
+ move _check_output to class properties to make it available for
mocking
* alpm tests implementation
* try to replace os with pathlib
* update tests for pathlib
* fix includes glob and trim version from dependencies
* build_tools package tests
* repository component tests
* add sign tests
* complete status tests
* handle exceptions in actual_version calls
* complete core tests
* move configuration to root conftest
* application tests
* complete application tests
* change copyright to more generic one
* base web tests
* complete web tests
* complete testkit
also add argument parsers test
