Merge pull request #740 from ydb-platform/asmyasnikov-patch-1

Update README.md

Author: asmyasnikov

README.md

@@ -11,6 +11,7 @@
 [![View examples](https://img.shields.io/badge/learn-examples-brightgreen.svg)](https://github.com/ydb-platform/ydb-go-sdk/tree/master/examples)
 [![Telegram](https://img.shields.io/badge/chat-on%20Telegram-2ba2d9.svg)](https://t.me/ydb_en)
 [![WebSite](https://img.shields.io/badge/website-ydb.tech-blue.svg)](https://ydb.tech)
+[![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/ydb-platform/ydb-go-sdk/blob/master/CONTRIBUTING.md)
 
 Supports `table`, `discovery`, `coordination`, `ratelimiter`, `scheme`, `scripting` and `topic` clients for [YDB](https://ydb.tech).
 `YDB` is an open-source Distributed SQL Database that combines high availability and scalability with strict consistency and [ACID](https://en.wikipedia.org/wiki/ACID) transactions.