message: README: added roadmap
diff: @@ -11,6 +11,15 @@ It is a C++11 library aiming to be:
  - Cross-platform (Linux, Mac, Windows, iOS, Android).
  - Extensible (using compile-time plugins).
  +## Roadmap
  +
  +The next steps will be:
  +
  +- Add Camera settings and actions interface.
  +- Publish Android wrappers in Java using JNI.
  +- Publish iOS wrappers in Objective-C using Objective-C++.
  +- Improve Offboard control.
  +
  ## Interfacing
  DroneLink currently takes care of the mavlink messaging using a UDP network connection to the drone. Connecting via TCP, or serial is planned but not implemeted yet.
  