Merge pull request #105 from postgres-ai/readme-pic

Update README.md

Author: postgres-ai

README.md

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 [![CircleCI](https://circleci.com/gh/postgres-ai/nancy.svg?style=svg)](https://circleci.com/gh/postgres-ai/nancy)
 
-Description
+About
+<img width="122" alt="screen shot 2018-09-18 at 03 04 09" src="https://user-images.githubusercontent.com/1345402/45656700-8a987f00-baef-11e8-87b6-cccf8f65ee8f.png" align="right">
 ===
 Nancy helps to conduct automated database experiments.
 
 The Nancy Command Line Interface is a unified way to manage automated
 database experiments either in clouds or on-premise.
 
+
 What is a Database Experiment?
 ===
 Database experiment is a set of actions performed to test