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/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.chinese.md

@@ -97,4 +97,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.chinese.md

@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.chinese.md

@@ -103,4 +103,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-geolocation-data-to-find-a-users-gps-coordinates.chinese.md

@@ -61,4 +61,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.chinese.md

@@ -100,4 +100,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.chinese.md

@@ -90,4 +90,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.chinese.md

@@ -105,4 +105,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.chinese.md

@@ -105,4 +105,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>

curriculum/challenges/chinese/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.chinese.md

@@ -102,4 +102,5 @@ tests:
 ```js
 // solution required
 ```
-</section>
+
+/section>