feat(nix-darwin): add config for apavel-a01

nix-darwin/apavel-a01/configuration.nix

@@ -0,0 +1,19 @@
+{ inputs, outputs, lib, config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [];
+
+  # environment.darwinConfig = builtins.toString ./configuration.nix;
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+
+  nix.package = pkgs.nix;
+
+  # Create /etc/zshrc that loads the nix-darwin environment.
+  programs.zsh.enable = true;  # default shell on catalina
+
+  # Used for backwards compatibility, please read the changelog before changing.
+  # > darwin-rebuild changelog
+  system.stateVersion = 4;
+}