feat: massive refactoring...

containers/default.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }:
+let
+  lib = pkgs.lib;
+
+  containersFiles = builtins.readDir ./.;
+  containers = lib.filter (v: v != null) (
+    (lib.mapAttrsToList (
+      name: type:
+      if type == "regular" && name != "default.nix" && lib.hasSuffix ".nix" name then ./${name} else null
+    ))
+      containersFiles
+  );
+in
+containers