Update README.md

Author: kenlog

README.md

@@ -6,6 +6,8 @@
 
 - For code snippets the plugin is able to highlight code syntax in more than 151 languages, including PHP, Javascript, Python, HTML and CSS...
 
+![highlightcodesyntax](https://user-images.githubusercontent.com/11728231/50305488-407abd00-0493-11e9-8061-5e800e2ccbee.png)
+
 Author
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 - Valentino Pesce