emacs support for new languages + dependencies

modules/dev/julia.nix

@@ -0,0 +1,15 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+{
+  options.my.dev.julia.enable = lib.mkEnableOption "enable";
+
+  config = lib.mkIf config.my.dev.julia.enable {
+    users.users.jawz.packages = builtins.attrValues {
+      inherit (pkgs) julia;
+    };
+  };
+}