feat(obs): add image-reaction OBS plugin packaging

users/modules/desktop/obs.nix

@@ -6,6 +6,7 @@
 }:
 with lib; let
   cfg = config.home.desktop.obs;
+  obs-image-reaction = pkgs.callPackage ../../../packages/obs-image-reaction.nix {};
 in {
   options.home.desktop.obs.enable = mkEnableOption "Enables OBS Studio";
   config.programs.obs-studio = mkIf cfg.enable {
@@ -13,11 +14,14 @@ in {
     plugins = with pkgs.obs-studio-plugins; [
       input-overlay
       obs-backgroundremoval
+      obs-markdown
       obs-mute-filter
       obs-pipewire-audio-capture
+      obs-scale-to-sound
       obs-source-clone
       obs-source-record
       obs-tuna
+      obs-image-reaction
     ];
   };
 }