1.新增菜单后台操作指南，方便管理员查看使用

saiadmin-artd/src/locales/langs/en/system/admin_guide.json

@@ -0,0 +1,20 @@
+{
+  "title": "Admin Guide",
+  "toolbar": {
+    "edit": "Edit",
+    "save": "Save",
+    "cancel": "Cancel",
+    "refresh": "Refresh"
+  },
+  "meta": {
+    "filePath": "File Path",
+    "updateTime": "Updated At"
+  },
+  "message": {
+    "loadFailed": "Failed to load admin guide",
+    "saveSuccess": "Saved successfully",
+    "saveFailed": "Failed to save",
+    "cancelConfirm": "You have unsaved changes. Cancel editing?",
+    "editRequired": "Please click Edit before saving"
+  }
+}