flake: rework modules folder structure

modules/nixos/users/fedfer.nix

@@ -0,0 +1,24 @@
+#need to move stuff to home-manager
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+{
+  options.settings.users.fedfer = {
+    enable = lib.mkEnableOption "enables user FedFer";
+  };
+
+  config = lib.mkIf config.settings.users.fedfer.enable {
+    users.users.fedfer = {
+      isNormalUser = true;
+      description = "FedFer";
+      extraGroups = [
+        "networkmanager"
+        "wheel"
+      ];
+      shell = pkgs.fish;
+    };
+  };
+}