add version badge

README.md

@@ -1,4 +1,5 @@
 <p align="center">
+ <a href="https://github.com/CyberRoute/scanme/releases/latest"><img alt="Release" src="https://img.shields.io/github/release/CyberRoute/scanme.svg?style=flat-square"></a>
  <a href="https://github.com/CyberRoute/scanme/actions/workflows/golangci-lint.yml/badge.svg?branch=main"><img alt="golangci-lint" src="https://img.shields.io/badge/golangci-lint-brightgreen.svg?style=flat"></a>
  <a href="https://goreportcard.com/badge/github.com/CyberRoute/scanme"><img alt="Go Report" src="https://img.shields.io/badge/go%20report-A+-brightgreen.svg?style=flat"></a>
  <a href="https://github.com/CyberRoute/scanme/blob/main/LICENSE"><img alt="Software License" src="https://img.shields.io/badge/license-GPL3-brightgreen.svg?style=flat"></a>