readme update for v0.1 release

Author: jeevatkm

README.md

@@ -2,8 +2,23 @@
 
 [![Build Status](https://travis-ci.org/go-aah/essentials.svg?branch=master)](https://travis-ci.org/go-aah/essentials) [![codecov](https://codecov.io/gh/go-aah/essentials/branch/master/graph/badge.svg)](https://codecov.io/gh/go-aah/essentials/branch/master) [![Go Report Card](https://goreportcard.com/badge/aahframework.org/essentials)](https://goreportcard.com/report/aahframework.org/essentials) [![GoDoc](https://godoc.org/aahframework.org/essentials?status.svg)](https://godoc.org/aahframework.org/essentials)  [![License](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE)
 
-essentials contain simple & useful utils for go lang. aah framework utilizes essentials (aka `ess`) library across.
+***v0.1 [released](https://github.com/go-aah/essentials/releases/latest) and tagged on Jan 22, 2017***
 
-*It's an independent library, can be used separately with any `Go` language project. Feel free to use it.*
+`essentials` contain simple & useful utils for go lang. aah framework utilizes essentials (aka `ess`) library across. Essential library complements with handy methods for:
+* filepath
+* go
+* io
+* os
+* reflect
+* string
+
+*`essentials` developed for aah framework. However, it's an independent library, can be used separately with any `Go` language project. Feel free to use it.*
+
+# Installation
+#### Stable - Version
+```sh
+# install the library
+go get -u aahframework.org/essentials
+```
 
 See official page [TODO]