Update README.md

Author: jeantimex

README.md

@@ -1,2 +1,17 @@
 # CollapsibleTableSectionViewController
+
+[![Language](https://img.shields.io/badge/swift-3.0-brightgreen.svg?style=flat)]()
+
 Swift library to support collapsible sections in a table view.
+
+![cover](docs/images/cover.gif)
+
+## When can I use this pod? ##
+
+This CocoaPod is still under development.
+
+## License ##
+
+This project is licensed under the MIT license, Copyright (c) 2017 Yong Su. For more information see `LICENSE.md`.
+
+Author: [Yong Su](https://github.com/jeantimex) @ Box Inc.