reorganize

system/default.nix

@@ -1,11 +1,11 @@
 { config, lib, pkgs, nixpkgs, ... }: {
 
-    imports = [ 
-        ./services
-        ./packages
-        ./programs
-        ./users
-    ];
+    imports = let 
+        dir = builtins.readDir ./.;
+    in builtins.map (x: ./${x}) (builtins.filter 
+        (file: (dir.${file} == "directory"))
+        (builtins.attrNames dir)
+    );
 
     options.sysconfig = with lib; {
         host = mkOption {