use niv and add device elias-e525

nix/os/devices/elias-e525/pkg.nix

@@ -0,0 +1,59 @@
+{ pkgs
+, lib
+, ...
+}:
+
+let
+  homeEnv = keyboard: 
+    {
+      imports = [
+        (import ../../../home-manager/configuration/graphical-gnome3.nix { inherit pkgs; })
+      ];
+
+      home.keyboard = keyboard;
+
+      home.packages = with pkgs; [
+        rhythmbox
+        lollypop
+        dia
+        kotatogram-desktop
+        jitsi
+      ];
+    };
+in
+
+{
+  nixpkgs.config.packageOverrides = pkgs: with pkgs; {
+    nixPath = (import ../../../default.nix { versionsPath = ./versions.nix; }).nixPath;
+  };
+
+  services.gnome = 
+    builtins.mapAttrs
+    (attr: value: lib.mkForce value)
+    {
+      games.enable = true;
+      gnome-remote-desktop.enable = true;
+      gnome-user-share.enable = true;
+      rygel.enable = true;
+      sushi.enable = true;
+      tracker.enable = true;
+      tracker-miners.enable = true;
+    }
+    ;
+
+  home-manager.users.steveej = homeEnv {
+    layout = "en";
+    options = [ "nodeadkey" ];
+    variant = "altgr-intl";
+  };
+
+  home-manager.users.elias = homeEnv {
+    layout = "de";
+    options = [];
+    variant = "";
+  };
+
+
+  services.teamviewer.enable = true;
+  system.stateVersion = "21.11";
+}