How to use code highlight

1. Modify following at site’s config to:

   highlight:
     enable: true
     line_number: true
     auto_detect: false
     tab_replace:

2. Add code with code tag, e.g.:

   ```java
     public class Test {
   
       public static void main(String[] args) {
         System.out.println("Hello Code Highlight");
       }
   
     }
   ```

3. Preview

   public class Test {
   
     public static void main(String[] args) {
       System.out.println("Hello Code Highlight");
     }
   
   }