This commit introduces a new base configuration for the Darwin service. It includes options for system packages, shell programs and security features. This base configuration is customizable with an enable option.
This commit modifies the `nix` configuration in the `darwin` module, changing from the unstable `nix` package use to the stable version. This change is intended to improve stability and reliability of the module.
This commit renames the 'fonts' array in the darwin system fonts module to 'packages'. The refactor is aimed at improving the code readability and making the name more descriptive and representative of its content.
