Add README

README.md

@@ -13,8 +13,6 @@ It uses data contract YAML files to lint the data contract, connect to data sour
 
 ![Main features of the Data Contract CLI](datacontractcli.png)
 
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 [![Demo of Data Contract CLI](http://img.youtube.com/vi/B1dixhgO2vQ/0.jpg)](http://www.youtube.com/watch?v=B1dixhgO2vQ "Demo of Data Contract CLI")
 
 ## Getting started