fix: insert blank line after ```

search and replace ```\n< with ```\n\n< to ensure there's an empty line
before closing tags

curriculum/challenges/chinese/03-front-end-libraries/redux/write-a-counter-with-redux.chinese.md

@@ -66,4 +66,5 @@ const store = null; // define the Redux store here, passing in your reducers
 ```js
 // solution required
 ```
-</section>
+
+/section>