Library

Some helper functions, used by flake.nix to reduce code duplication and make it easier to add new machines:

1. attrs.nix: A set of functions to manipulate attribute sets.
2. macosSystem.nix: A function to generate config(attribute set) for macOS(nix-darwin).
3. nixosSystem.nix: A function to generate config(attribute set) for NixOS.
4. colmenaSystem.nix: A function that generate config(another function) for remote deployment using colmena.
5. default.nix: import all the above functions, and some custom useful functions, and export them as a single attribute set.