feat: update home.nix config

hosts/neon/configuration.nix

@@ -1,11 +1,12 @@
 # 0x29a nixos conifg
 
-{ pkgs, lib, ... }:
+{ pkgs, lib, inputs, ... }:
 
 {
   imports =
     [ 
       ./hardware-configuration.nix
+       inputs.home-manager.nixosModules.home-manager
     ];
 
   # use flakes
@@ -126,6 +127,14 @@
   networking.firewall.allowedTCPPorts = [ 22 ];
   networking.firewall.allowedUDPPorts = [ ];
 
+  # enable home-manager globally
+  home-manager.useGlobalPkgs = true;
+  home-manager.useUserPackages = true;
+  home-manager.backupFileExtension = "backup";
+
+  # Add the user's home-manager configuration
+  home-manager.users.aaron = import ./home.nix;
+
   # install state version
   system.stateVersion = "25.11"; # Don't change
 }