laptop: add obs studio

hosts/laptop/home.nix

@@ -245,6 +245,20 @@
     ];
   };
 
+  programs.obs-studio = {
+    enable = true;
+    plugins = with pkgs.obs-studio-plugins; [
+      obs-vkcapture
+      obs-pipewire-audio-capture
+      obs-tuna
+      obs-scale-to-sound
+      obs-source-switcher
+      obs-gstreamer
+      input-overlay
+      advanced-scene-switcher
+    ];
+  };
+
 
   programs.starship = {
     enable = true;