perso-desktop: Add openrgb

hosts/perso-desktop/configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ lib, ... }:
+{ pkgs, lib, ... }:
 
 {
   imports =
@@ -52,4 +52,9 @@
       printing.enable = true;
     };
   };
+
+  services.hardware.openrgb = {
+    enable = true;
+    package = pkgs.openrgb-with-all-plugins;
+  };
 }