Update flake

overlays/sandbox.nix

@@ -86,6 +86,7 @@ in {
     additionalMounts = [
       "/mnt/Storage/Games/LeagueOfLegends"
       "/mnt/Storage/Games/Origin"
+      "/mnt/Storage/Games/SteamLibrary"
       "/mnt/tmp"
     ];
     mountInHome = [ ".local/share/lutris" ".config/lutris" "Games" ];