update README.md

Author: WindomZ

README.md

@@ -2,6 +2,7 @@
 
 > A tool to creates leetcode code template via cli.
 
+[![Version](https://img.shields.io/badge/version-v1.0.0-brightgreen.svg)](https://github.com/WindomZ/leetcode-init/releases)
 [![Build Status](https://travis-ci.org/WindomZ/leetcode-init.svg?branch=master)](https://travis-ci.org/WindomZ/leetcode-init)
 [![Go Report Card](https://goreportcard.com/badge/github.com/WindomZ/leetcode-init)](https://goreportcard.com/report/github.com/WindomZ/leetcode-init)
 [![License](https://img.shields.io/badge/license-MIT-brightgreen.svg)](https://opensource.org/licenses/MIT)