Update README.md

Author: asmyasnikov

README.md

@@ -1,6 +1,7 @@
 # `ydb-go-sdk` - native Go's driver for [YDB](https://github.com/ydb-platform/ydb)
 
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/ydb-platform/ydb/blob/main/LICENSE)
+[![Release](https://img.shields.io/github/v/release/ydb-platform/ydb-go-sdk.svg?style=flat-square)](https://github.com/ydb-platform/ydb-go-sdk/releases)
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/ydb-platform/ydb-go-sdk/v3)](https://pkg.go.dev/github.com/ydb-platform/ydb-go-sdk/v3)
 ![tests](https://github.com/ydb-platform/ydb-go-sdk/workflows/tests/badge.svg?branch=master)
 ![lint](https://github.com/ydb-platform/ydb-go-sdk/workflows/lint/badge.svg?branch=master)