boreal: add game user

Setup autologin to make it easier to directly play games from that user

hosts/boreal/default.nix

@@ -104,6 +104,34 @@
 
   programs.foot.enable = true;
   my.displayManager.gdm.enable = true;
+  services.displayManager = {
+    autoLogin = {
+      enable = true;
+      user = "games";
+    };
+    defaultSession = "gnome";
+  };
   services.desktopManager.gnome.enable = true;
   services.power-profiles-daemon.enable = true;
+
+  programs.gamescope = {
+    enable = true;
+  };
+  environment.systemPackages = [
+    pkgs.gamescope-wsi
+    pkgs.wineWowPackages.stable
+    pkgs.bottles
+    pkgs.lutris
+  ];
+
+  users.users.games = {
+    hashedPassword = "$y$j9T$jOursEp6BvOSgyhtU0fca0$xAh.iLgoiDTswHVlAbvtHg4jOHXZuWhl55kSqlD.daA";
+    isNormalUser = true;
+    extraGroups = [
+      "media"
+      "networkmanager"
+      "video" # for `light` permissions
+    ];
+    shell = pkgs.fish;
+  };
 }