peripherals/razer: add razer hardware module

modules/modules/hardware/peripherals/razer.nix

@@ -0,0 +1,21 @@
+# from https://github.com/hlissner/dotfiles/blob/master/modules/hardware/razer.nix
+{ options, config, lib, pkgs, ... }:
+
+with lib;
+with lib.hlissner;
+let cfg = config.modules.hardware.peripherals.razer;
+in
+{
+  options.modules.hardware.peripherals.razer = {
+    enable = mkBoolOpt false;
+  };
+
+  config = mkIf cfg.enable {
+    hardware.openrazer = {
+      enable = true;
+      users = [ config.user.name ];
+    };
+
+    user.extraGroups = [ "plugdev" ];
+  };
+}