style(nixfmt): formatting using nixfmt cli tools

modules/games/steam.nix

@@ -0,0 +1,49 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.games.steam;
+in
+{
+  config = lib.mkIf cfg.enable {
+    programs.steam = {
+      enable = true;
+      gamescopeSession.enable = true;
+      extraCompatPackages = with pkgs; [
+        proton-ge-bin
+      ];
+    };
+
+    programs.gamemode.enable = true;
+
+    systemd.user.services."steam-bp" = lib.mkIf cfg.bp {
+      description = "Steam Big Picture auto start";
+      wantedBy = [ "graphical-session.target" ];
+      serviceConfig = {
+        ExecStart = "${pkgs.steam}/bin/steam -tenfoot -fulldesktopres";
+        Restart = "on-failure";
+        Environment = [
+          "SDL_VIDEO_X11_DGAMOUSE=0"
+          "STEAM_USE_OGL=1"
+          "GAMEMODERUNEXEC=1"
+        ];
+      };
+    };
+
+    services = {
+      desktopManager.plasma6.enable = lib.mkIf cfg.bp true;
+      displayManager = lib.mkIf cfg.bp {
+        defaultSession = "plasmax11";
+        sddm.enable = true;
+        autoLogin = {
+          enable = true;
+          user = "raphael";
+        };
+      };
+    };
+  };
+}