[perl6/specs] 5568e9: Add a README.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/perl6/specs
  Commit: 5568e90231064aa094b18890ad3ec5f87b4674fb
      
https://github.com/perl6/specs/commit/5568e90231064aa094b18890ad3ec5f87b4674fb
  Author: Moritz Lenz <mor...@faui2k3.org>
  Date:   2015-02-27 (Fri, 27 Feb 2015)

  Changed paths:
    A README.md

  Log Message:
  -----------
  Add a README.

Let the bikesheddings begin!