feat(nixos): add wlx-overlays and wivrn services, update gamemode settings

nixos/ryu/programs/default.nix

@@ -9,5 +9,6 @@
     ./gnome-disks.nix
     ./nix-ld.nix
     ./gamemode.nix
+    ./wlx-overlays.nix
   ];
 }

nixos/ryu/programs/gamemode.nix

@@ -1,5 +1,14 @@
-{...}: {
+{pkgs, ...}: {
   programs.gamemode = {
     enable = true;
+    settings = {
+      general = {
+        renice = 10;
+      };
+      custom = {
+        start = "${pkgs.libnotify}/bin/notify-send 'GameMode started'";
+        end = "${pkgs.libnotify}/bin/notify-send 'GameMode ended'";
+      };
+    };
   };
 }

nixos/ryu/programs/wlx-overlays.nix

@@ -0,0 +1,5 @@
+{pkgs, ...}: {
+  environment.systemPackages = with pkgs; [
+    wlx-overlay-s
+  ];
+}