Update README.md

Author: justin200914

README.md

@@ -93,7 +93,7 @@ This repo integrated `KBY-AI`'s `face recognition SDK`, which requires a license
 🧙`Telegram:` [@kbyai](https://t.me/kbyai)</br>
 🧙`WhatsApp:` [+19092802609](https://wa.me/+19092802609)</br>
 🧙`Skype:` [live:.cid.66e2522354b1049b](https://join.skype.com/invite/OffY2r1NUFev)</br>
-🧙`Facebook:` https://www.facebook.com/KBYAI</br>
+🧙`Discord:` [KBY-AI](https://discord.gg/CgHtWQ3k9T)</br>
 
 ## How To Run
 ### 1. Flutter Setup