message: Update info about deprecation
diff: [![Join the chat at https://gitter.im/railsware/upterm](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/upterm/Lobby)
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  +# Deprecated
  +
  +Upterm is deprecated. Project had [lost maintainer](https://github.com/railsware/upterm/issues/1301#issue-327003344) and have zero activity to support it from community (only issues was created in repo).
  +
  +I am no longer accepting pull requests and issues.
  +
  +I recomended to check [Hyper](https://hyper.is/) instead.
  +
  What Is It?
  -----------
  