feat(zsh): enable direnv separately

home-manager/direnv.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, user, ... }:
+
+{
+  programs = {
+    direnv = {
+      enable = true;
+      enableZshIntegration = true;
+    };
+  };
+}

home-manager/zsh.nix

@@ -13,7 +13,6 @@
     oh-my-zsh = {
       enable = true;
       plugins = [
-        "direnv"
         "vi-mode"
       ];
     };