home: add 'nix-gl'

modules/home/default.nix

@@ -28,6 +28,7 @@
     ./mail
     ./mpv
     ./nix
+    ./nix-gl
     ./nix-index
     ./nixpkgs
     ./nm-applet

modules/home/nix-gl/default.nix

@@ -0,0 +1,17 @@
+{ config, inputs, lib, ... }:
+let
+  cfg = config.my.home.nix-gl;
+in
+{
+  options.my.home.nix-gl = with lib; {
+    enable = mkEnableOption "nixGL configuration";
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [
+    {
+      nixGL = {
+        inherit (inputs.nixgl) packages;
+      };
+    }
+  ]);
+}