style(nixfmt): formatting using nixfmt cli tools

modules/games/lutris.nix

@@ -1,15 +1,20 @@
-{ config, pkgs, lib, ... }:
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
 
 let
-	cfg = config.games.lutris;
+  cfg = config.games.lutris;
 in
 {
-	config = lib.mkIf cfg {
-		environment.systemPackages = with pkgs; [
-			wine-staging
-			lutris
-			dxvk
-			vkd3d
-		];
-	};
+  config = lib.mkIf cfg {
+    environment.systemPackages = with pkgs; [
+      wine-staging
+      lutris
+      dxvk
+      vkd3d
+    ];
+  };
 }