Separated langs and game apps into other files

user/lang/haskell/haskell.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+      # Haskell
+      haskellPackages.haskell-language-server
+      haskellPackages.stack
+  ];
+}