message: Upterm is looking for maintainers in README
diff: What Is It?
  -----------
  +**[Upterm is looking for maintainers](https://github.com/railsware/upterm/issues/1301)**
  +
  Upterm (formerly Black Screen) is an IDE in the world of terminals. Strictly speaking, it's both a
  terminal emulator and an *interactive* shell based on [Electron](http://electron.atom.io/).
  