✨ Add black linter
This commit adds the black linter to the project. The linter is configured to use the default settings. The linter is also added to the CONTRIBUTING.md instead of the manual explanation of formatting rules.
Due to an influx of spam, we had to disable account registrations. If you don't have an account yet, please write an email to support@manjaro.org, with your desired username. Sorry for the inconvenience.
This commit adds the black linter to the project. The linter is configured to use the default settings. The linter is also added to the CONTRIBUTING.md instead of the manual explanation of formatting rules.