fix(steam): Impermanence + Steam

modules/home/users/crumb/tf2.nix

@@ -25,8 +25,9 @@ in {
           ./tf2/quake-hitsounds
         ];
       };
+      game-dir = ".local/share/Steam/steamapps/common/Team Fortress 2/tf";
     in {
-      home.file."tf" = {
+      home.file.${game-dir} = {
         recursive = true;
         source = my-config;
       };