modularize configuration

users/default.nix

@@ -0,0 +1,20 @@
+{lib, ...}:
+with lib;
+let
+  # get all files in folder
+  getDir = dir: builtins.readDir dir;
+
+  # find all files ending in ".nix" which are not this file, or directories, which may or may not contain a default.nix
+  files = dir: filterAttrs
+    (file: type: (type == "regular" && hasSuffix ".nix" file && file != "default.nix") || type == "directory")
+    (getDir dir);
+  # Turn the attrset into a list of the filenames
+  flatten = dir: mapAttrsToList (file: type: file) (files dir);
+  # Turn the filenames into absolute paths
+  makeAbsolute = dir: map (file: ./. + "/${file}") (flatten dir);
+in
+{
+
+  imports = makeAbsolute ./.;
+
+}

users/oysteikt.nix

@@ -0,0 +1,9 @@
+{pkgs, ...}:
+
+{
+  users.users.oysteikt = {
+    isNormalUser = true;
+    #extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+    shell = pkgs.zsh;
+  };
+}