message: improve the README
diff: @@ -14,6 +14,14 @@ As this is an early stage and many things aren't clear, it's quite challenging t
  We are using [SideeX](http://sideex.org/) as a start point. The SideeX team was kind enough to let us use their work.
  +## Prerequisites
  +
  +- `git` has to be in `$PATH` for the installation to pass
  +
  +- [yarn](https://yarnpkg.com/en/docs/install) `npm` might work as well (untested)
  +
  +- [peru](https://github.com/buildinspace/peru#installation)
  +
  ## Building
  - Install the dependencies
  