Update README introduction with WhatsApp sharing (#7)

* Update README introduction with WhatsApp sharing

* Format with prettier

Author: jriall

README.md

@@ -8,7 +8,12 @@ An all-in-one React library to implement custom Page Sharing Meta and Social Med
 
 ## Introduction
 
-Designed to use and extend [OpenGraph](https://ogp.me/) standards. Alongside, full sharing support to the following social media platforms; Facebook, Linkedin and Twitter.
+Designed to use and extend [OpenGraph](https://ogp.me/) standards. Alongside, full sharing support to the following social media platforms:
+
+- Facebook
+- Linkedin
+- Twitter
+- WhatsApp
 
 ## Installation