refactor(hardware): add options to module file

system/modules/hardware/backlight.nix

@@ -1,11 +0,0 @@
-{ lib, config, ... }:
-
-let
-  cfg = config.systemModules.hardware.backlight;
-in
-
-{
-  config = lib.mkIf cfg.enable {
-    hardware.brillo.enable = true;
-  };
-}

system/modules/hardware/backlight/default.nix

@@ -0,0 +1,16 @@
+{ lib, config, ... }:
+
+let
+  cfg = config.systemModules.hardware.backlight;
+  inherit (lib) mkIf mkEnableOption;
+in
+
+{
+  options.systemModules.hardware.backlight = {
+    enable = mkEnableOption "Enable backlight module";
+  };
+  
+  config = mkIf cfg.enable {
+    hardware.brillo.enable = true;
+  };
+}

system/modules/hardware/bluetooth/default.nix

@@ -2,10 +2,16 @@
 
 let
   cfg = config.systemModules.hardware.bluetooth;
+  inherit (lib) mkIf mkEnableOption;
 in
 
 {
-  config = lib.mkIf cfg.enable {
+  options.systemModules.hardware.bluetooth = {
+    enable = mkEnableOption "Enable bluetooth module";
+  };
+
+  config = mkIf cfg.enable {
+
     hardware.bluetooth = {
       enable = true;
       package = pkgs.bluez5-experimental;

system/modules/hardware/default.nix

@@ -1,17 +1,7 @@
-{ lib, ... }:
-
 {
   imports = [
-    ./bluetooth.nix
-    ./backlight.nix
+    ./bluetooth
+    ./backlight
+    ./ssd
   ];
-
-  options.systemModules.hardware = {
-    bluetooth = {
-      enable = lib.mkEnableOption "Enable bluetooth module";
-    };
-    backlight= {
-      enable = lib.mkEnableOption "Enable backlight module";
-    };
-  };
 }