nix: move all nixos configuration to nixosModules

export them

nix/nixosModules/named/carbon/packages.nix

@@ -0,0 +1,38 @@
+{ pkgs, ... }:
+{
+  environment.systemPackages = [
+    pkgs.curl
+    pkgs.stow
+    pkgs.gcc
+  ];
+
+  programs.vim.defaultEditor = true;
+  programs.git.enable = true;
+
+  programs.dconf.enable = true;
+  services.gnome.gnome-keyring.enable = true;
+  programs.seahorse.enable = true;
+
+  # programs.steam.enable = true;
+
+  services.hoogle = {
+    enable = true;
+    packages =
+      self:
+      map pkgs.haskell.lib.doHaddock [
+        self.xmonad
+        self.xmonad-contrib
+        self.xmonad-extras
+        self.hip # image processing
+      ];
+  };
+
+  virtualisation = {
+    docker.enable = true;
+    virtualbox.host.enable = true;
+  };
+  users.users."leana".extraGroups = [
+    "docker"
+    "vboxusers"
+  ];
+}