Finally switch to flakes.

home-manager/guiapps/obs.nix

@@ -0,0 +1,14 @@
+{pkgs, ...}: {
+  # OBS with plugins
+  programs.obs-studio = {
+    enable = true;
+    plugins = with pkgs.obs-studio-plugins; [
+      obs-pipewire-audio-capture
+      obs-webkitgtk
+      obs-multi-rtmp
+      obs-vkcapture
+      obs-tuna
+      looking-glass-obs
+    ];
+  };
+}