fix: refactor flake.nix, home-manager/home.nix, nixos/configuration.nix to avoid home-manager.useGlobalPkgs conflict error

nixos/configuration.nix

@@ -1,20 +1,25 @@
-{ pkgs, hostName, ... }:
+{ inputs, hostName, pkgs, ... }:
 
 {
   imports = [
     ./hardware-configuration.nix
+    inputs.home-manager.nixosModules.home-manager
   ];
 
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
   boot.tmp.cleanOnBoot = true;
 
+  nix.package = pkgs.lixPackageSets.latest.lix;
+
   networking.hostName = "${hostName}";
 
   hardware.graphics.enable = true;
 
   networking.networkmanager.enable = true;
 
+  nixpkgs.config.allowUnfree = true;
+
   time.timeZone = "America/Toronto";
 
   i18n.defaultLocale = "en_CA.UTF-8";
@@ -24,6 +29,13 @@
     KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0660", GROUP="users", TAG+="uaccess", TAG+="udev-acl"
   '';
 
+  home-manager = {
+    extraSpecialArgs = { inherit inputs; };
+    users = {
+      autumn = import ../home-manager/home.nix;
+    };
+  };
+
   services.gnome.glib-networking.enable = true;
 
   programs.hyprland = {