♻️ consolidate nix configs

nix/hosts/heraclitus/darwin-configuration.nix

@@ -0,0 +1,29 @@
+{ pkgs, ... }:
+{
+  imports = [
+    ./homebrew.nix
+
+    ../../modules/base/darwin.nix
+    ../../modules/dev
+    ../../modules/builder
+  ];
+
+  nixpkgs.config.allowBroken = true;
+
+  # List packages installed in system profile. To search by name, run:
+  # $ nix-env -qaP | grep wget
+  # environment.systemPackages = with pkgs; [ emacs ];
+  environment.systemPackages = with pkgs; [ emacs-macport ];
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+
+  system = {
+    defaults = {
+      dock = {
+        autohide = true;
+        orientation = "left";
+      };
+    };
+  };
+}