message: enhancing readme
diff: @@ -11,6 +11,9 @@ docker build -t cylon .
  ```bash
  docker run -it cylon
  ```
  +## Re-building Cylon
  +
  +This docker conatiner comes with pre-built cylon binaries. Below steps should be followed if you want to change the core code and re-build Cylon core.
  Cylon will be installed in `/cylon/` directory. A container would have the following environment
  variables and commands.
  