flake.lock: bump

flake.nix: add niri and xwst
niri: move to flake packages

Signed-off-by: unexplrd <unexplrd@linerds.us>

modules/nixos/desktop/niri/default.nix

@@ -1,7 +1,9 @@
 {
   config,
-  pkgs,
+  inputs,
   lib,
+  perSystem,
+  pkgs,
   ...
 }: let
   inherit (lib) mkIf mkEnableOption;
@@ -19,7 +21,11 @@ in {
       };
       sound.pipewire.enable = true;
 
+      nixpkgs.overlays = [inputs.niri.overlays.default];
+
       programs.niri.enable = true; # wayland compositor in rust
+      programs.niri.package = perSystem.niri.niri;
+
       security = {
         pam.services.gtklock = {};
         soteria.enable = true; # polkit agent in rust