Fikkie

Added
- Added test coverage limits to CI/CD
- Added tests
- Added PyPI classifiers

Changed
- Updated documentation

Upgraded
- Upgraded celery to 5.2.2 to fix CVE-2021-23727

Added
- Added type checking to CI/CD pipeline
- Added functional tests for Ubuntu and MacOS to CI/CD pipeline

Fixed
- Fixed issues in the `fikkie init` command

Added
- Added argument to select output format
- Added argument to select loglevel
- Added supported Python versions to documentation

Changed
- Changed default output format to YAML

Fixed
- Fixed broken link in documentation

Added
- Added missing typing_extensions dependency which is needed for Python 3.7

Changed
- Improved documentation

Added
- Added CLI client to control daemon and read check data