flycheck-cask intrustructions in readme file

[RafalBabinicz]

Readme file is copy paste from flycheck-cask :)

Installation

As usual, from MELPA and Marmalade.

In your Cask file:

(source gnu)
(source melpa)

(depends-on "flycheck-cask")

In your init.el:

(eval-after-load 'flycheck
'(add-hook 'flycheck-mode-hook #'flycheck-cask-setup))

[purcell]

Thanks - fixed!

[swsnr]

@purcell Oh, thanks :-)