modules: hardware: move 'bluetooth'

modules/default.nix

@@ -3,7 +3,6 @@
 
 {
   imports = [
-    ./bluetooth.nix
     ./documentation.nix
     ./ergodox.nix
     ./hardware

modules/hardware/bluetooth.nix

@@ -1,9 +1,9 @@
 { config, lib, pkgs, ... }:
 let
-  cfg = config.my.modules.bluetooth;
+  cfg = config.my.hardware.bluetooth;
 in
 {
-  options.my.modules.bluetooth = with lib; {
+  options.my.hardware.bluetooth = with lib; {
     enable = mkEnableOption "bluetooth configuration";
 
     enableHeadsetIntegration = my.mkDisableOption "A2DP sink configuration";

modules/hardware/default.nix

@@ -3,6 +3,6 @@
 
 {
   imports = [
-    # FIXME: add modules
+    ./bluetooth.nix
   ];
 }