initial config commit

modules/nixos/features/home-manager.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  hostName,
+  inputs,
+  lib,
+  userName,
+  ...
+}:
+let
+  feature = "home-manager";
+in
+{
+  config = lib.mkIf config.${feature}.enable {
+    home-manager = {
+      users.${userName} = import ../../../hosts/${hostName}/home.nix;
+      backupFileExtension = "backup";
+      extraSpecialArgs = {
+        inherit userName;
+      };
+      useGlobalPkgs = true;
+      useUserPackages = true;
+    };
+  };
+
+  imports = [ inputs.home-manager.nixosModules.home-manager ];
+
+  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
+}