Update README.md (#747)

update telegram link

README.md

@@ -12,7 +12,7 @@
 <div align="left" >
 
 [![Twitter](https://img.shields.io/twitter/follow/webbprotocol.svg?style=flat-square&label=Twitter&color=1DA1F2)](https://twitter.com/intent/user?screen_name=tangle_network)
-[![Telegram](https://img.shields.io/badge/Telegram-gray?logo=telegram)](https://t.me/webbprotocol)
+[![Telegram](https://img.shields.io/badge/Telegram-gray?logo=telegram)](https://t.me/tanglenet)
 [![Discord](https://img.shields.io/discord/833784453251596298.svg?style=flat-square&label=Discord&logo=discord)](https://discord.gg/cv8EfJu3Tn)
 
 </div>