extra/nautilus: make a separate file for all configurations

extra/nautilus.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, ... }:
+let
+  unstable = import <nixos-unstable> { config = { allowUnfree = true; }; };
+in
+{
+  # enable trash & network-mount
+  services.gvfs.enable = true;
+
+  environment.sessionVariables.NAUTILUS_EXTENSION_DIR = "${config.system.path}/lib/nautilus/extensions-3.0";
+  environment.pathsToLink = [
+    "/share/nautilus-python/extensions"
+  ];
+
+  services.gnome.glib-networking.enable = true; # network-mount
+
+  environment.systemPackages = with pkgs; [
+    gnome.nautilus
+    gnome.nautilus-python
+    shared-mime-info
+    unstable.nautilus-open-any-terminal
+  ];
+}