refactor: added flake parts

modules/hosts/home/leyla/packages/direnv.nix

@@ -0,0 +1,24 @@
+{...}: {
+  flake.homeModules.leylaDirenv = {
+    lib,
+    config,
+    osConfig,
+    ...
+  }: let
+    userConfig = osConfig.host.users.leyla;
+  in {
+    config = lib.mkIf userConfig.isDesktopUser {
+      programs = {
+        direnv = {
+          enable = true;
+          enableBashIntegration = true;
+          nix-direnv.enable = true;
+          config = {
+            global.hide_env_diff = true;
+            whitelist.exact = ["${config.home.homeDirectory}/documents/code/nix-config"];
+          };
+        };
+      };
+    };
+  };
+}