install steam

modules/software/distractions/steam.nix

@@ -0,0 +1,28 @@
+{ lib, config, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.modules.software.distractions.steam;
+in {
+  options.modules.software.distractions.steam = {
+    enable = mkEnableOption "Enable Steam, the game distribution software";
+  };
+
+  config = mkIf cfg.enable {
+    programs.steam.enable = true;
+    programs.gamemode = {
+      enable = true;
+      enableRenice = true;
+      settings = {};
+    };
+    programs.gamescope = {
+      enable = true;
+      capSysNice = true;
+    };
+    programs.steam.gamescopeSession = {
+      enable = true;
+      args = [ "-W 1920" "-H 1080" "-r 60" "--expose-wayland" "-e" ];
+    };
+    user.packages = [ pkgs.protontricks pkgs.steam-run ];
+  };
+}