Add steam

oscar/configuration.nix

@@ -14,6 +14,9 @@
 
   nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
     "factorio-alpha"
+    "steam"
+    "steam-original"
+    "steam-run"
   ];
 
   # https://discourse.nixos.org/t/github-strategies-for-configuration-nix/1983/14
@@ -177,6 +180,8 @@
 
   programs.ssh.startAgent = true;
 
+  programs.steam.enable = true;
+
   # List services that you want to enable:
 
   services.fprintd.enable = true;