extract obs kernel module

configuration.nix

@@ -1,5 +1,4 @@
-{ ... }@all: with all;
-{
+{ ... }@all: with all; {
   imports = [
     inputs.sops-nix.nixosModules.sops
     ./system-modules/adb.nix
@@ -26,6 +25,7 @@
     ./system-modules/networking.nix
     ./system-modules/nixd.nix
     ./system-modules/nvidia.nix 
+    ./system-modules/obs.nix
     ./system-modules/ollama.nix
     ./system-modules/qmk.nix
     ./system-modules/scanning.nix