refactored leyla packages into several folders

configurations/home-manager/leyla/packages/git.nix

@@ -0,0 +1,22 @@
+{
+  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"];
+        };
+      };
+    };
+  };
+}