readme update for v0.1 release

README.md

@@ -1,6 +1,8 @@
 # pool - aah framework
 [![Build Status](https://travis-ci.org/go-aah/pool.svg?branch=master)](https://travis-ci.org/go-aah/pool) [![codecov](https://codecov.io/gh/go-aah/pool/branch/master/graph/badge.svg)](https://codecov.io/gh/go-aah/pool/branch/master) [![Go Report Card](https://goreportcard.com/badge/aahframework.org/pool)](https://goreportcard.com/report/aahframework.org/pool) [![GoDoc](https://godoc.org/aahframework.org/pool?status.svg)](https://godoc.org/aahframework.org/pool)  [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
+***v0.1 [released](https://github.com/go-aah/pool/releases/latest) and tagged on Jan 27, 2017***
+
 Generic `interface{}` pool in the form of bounded channel.
 
 *`pool` developed for aah framework. However, it's an independent library, can be used separately with any `Go` language project. Feel free to use it.*