Updated the README

Author: rohitmishra209

README.md

@@ -124,7 +124,8 @@ You can use the Image Delivery API functions in this SDK as well. Here are a few
 
 ### The MIT License (MIT)
 
-Copyright © 2012-2017 [Built.io](https://www.built.io/). All Rights Reserved
+Copyright © 2012-2019 [Contentstack](https://www.contentstack.com/). All Rights Reserved
+
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: