added twitter(X) banner + link to readme (#615)

* added twitter(X) banner + link to readme

* Update README.md

Fix typo in the label

---------

Co-authored-by: gagb <[email protected]>

Author: malikmmoaz

README.md

@@ -3,6 +3,7 @@
 ![Python Version](https://img.shields.io/badge/3.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue)
 [![Downloads](https://static.pepy.tech/badge/pyautogen/week)](https://pepy.tech/project/pyautogen)
 [![](https://img.shields.io/discord/1153072414184452236?logo=discord&style=flat)](https://discord.gg/pAbnFJrkgZ)
+[![Twitter](https://img.shields.io/twitter/url/https/twitter.com/cloudposse.svg?style=social&label=Follow%20%40pyautogen)](https://twitter.com/pyautogen)
 
 This project is a spinoff from [FLAML](https://github.com/microsoft/FLAML).