Update readme.md

README.md

@@ -4,6 +4,7 @@
 
 [![Live on Mainnet](https://img.shields.io/badge/wallet-Live%20on%20Mainnet-blue)](https://wallet.zksync.io)
 [![Live on Rinkeby](https://img.shields.io/badge/wallet-Live%20on%20Rinkeby-blue)](https://rinkeby.zksync.io)
+[![Live on Ropsten](https://img.shields.io/badge/wallet-Live%20on%20Ropsten-blue)](https://ropsten.zksync.io)
 [![Join the technical discussion chat at https://gitter.im/matter-labs/zksync](https://badges.gitter.im/matter-labs/zksync.svg)](https://gitter.im/matter-labs/zksync?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 
@@ -38,6 +39,7 @@ The following guides for developers are available:
 - [zkSync prover](core/bin/prover)
 - [zkSync explorer](infrastructure/explorer)
 - [JavaScript SDK](sdk/zksync.js)
+- [Rust SDK](sdk/zksync-rs)
 
 ## License