Update README.md

README.md

@@ -1,3 +1,7 @@
+[![Documentation](https://img.shields.io/badge/doc-reference-blue)](https://docs.restate.dev)
+[![Discord](https://img.shields.io/badge/join-discord-purple)](https://discord.gg/skW3AZ6uGd)
+[![Twitter](https://img.shields.io/twitter/follow/restatedev.svg?style=social&label=Follow)](https://twitter.com/intent/follow?screen_name=restatedev)
+
 # A Tour of Restate: Typescript handler API
 
 Restate is a system for easily building resilient applications using **distributed durable RPC & async/await**.
@@ -29,4 +33,4 @@ npm run part3
 npm run part4
 ```
 
-An SDK upgrade warrants a new release.
+An SDK upgrade warrants a new release.