a little README grooming (#723)

Author: artursapek

README.md

@@ -1,10 +1,8 @@
-# Wormhole TS SDK
+# Wormhole TypeScript SDK
 
-The Wormhole Typescript SDK is useful for interacting with the chains Wormhole supports and the [protocols](#protocols) built on top of Wormhole.
-
-## Warning 
+[![npm version](https://img.shields.io/npm/v/@wormhole-foundation/sdk.svg)](https://www.npmjs.com/package/@wormhole-foundation/sdk)
 
-:warning: This package is a Work in Progress so the interface may change and there are likely bugs. Please [report](https://github.com/wormhole-foundation/connect-sdk/issues) any issues you find. :warning:
+The Wormhole Typescript SDK is useful for interacting with the chains Wormhole supports and the [protocols](#protocols) built on top of Wormhole.
 
 ## Installation