create bluetooth module

modules/nixos/bluetooth.nix

@@ -0,0 +1,19 @@
+{
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.myConfig.bluetooth;
+in {
+  options.myConfig.bluetooth = {
+    enable = lib.mkEnableOption "bluetooth";
+  };
+
+  config = lib.mkIf cfg.enable {
+    hardware.bluetooth = {
+      enable = true;
+      powerOnBoot = true;
+    };
+    services.blueman.enable = true;
+  };
+}

modules/nixos/qemu.nix

@@ -34,5 +34,6 @@ in {
         };
       };
     };
+    boot.binfmt.emulatedSystems = ["aarch64-linux"];
   };
 }