Fix formatting in API

03.api.md

@@ -234,6 +234,7 @@ jerry_api_string_t* jerry_api_create_string (const char* v);
 - [jerry_api_release_string]({{ site.baseurl }}/API#jerry_api_release_string)
 
 **Example**
+
 ```cpp
 {
   jerry_api_string_t* string_p = jerry_api_create_string ("abc");