Essentially more sw + GRUB live usb trial

Installed and configured Yggdrasil; ported rustnet and install; GRUB
trial of USB Live stick

modules/common/rustnet.nix

@@ -1,5 +1,4 @@
-{ pkgs ? import <nixpkgs> {} }:
-
+{pkgs ? import <nixpkgs> {}}:
 pkgs.stdenv.mkDerivation rec {
   pname = "rustnet";
   version = "0.18.0";
@@ -23,6 +22,6 @@ pkgs.stdenv.mkDerivation rec {
     #maintainers = lib.maintainers.0x545a;
     #license = lib.licenses.asl20;
     homepage = "https://github.com/domcyrus/rustnet";
-    platforms = [ "x86_64-linux" ];
+    platforms = ["x86_64-linux"];
   };
 }

modules/common/yggdrasil.nix

@@ -1,5 +1,4 @@
-{ pkgs, ... }:
-{
+{pkgs, ...}: {
   services.yggdrasil = {
     enable = true;
     persistentKeys = false;

modules/userapps/utils.nix

@@ -2,11 +2,9 @@
   config,
   pkgs,
   ...
-}:
-let
+}: let
   rustnet = pkgs.callPackage ../../modules/common/rustnet.nix {};
-in
-{
+in {
   programs.neovim = {defaultEditor = true;};
   environment.systemPackages = with pkgs; [
     parallel-disk-usage