updating README

Author: edwindj

README.md

@@ -3,6 +3,8 @@
 [![Build Status](https://travis-ci.org/docopt/docopt.R.svg?branch=master)](https://travis-ci.org/docopt/docopt.R)
 [![AppVeyor Build Status](https://ci.appveyor.com/api/projects/status/github/docopt/docopt.R?branch=master&svg=true)](https://ci.appveyor.com/project/docopt/docopt.R)
 [![Depsy](http://depsy.org/api/package/cran/docopt/badge.svg)](http://depsy.org/package/r/docopt)
+[![status](https://tinyverse.netlify.com/badge/docopt)](https://CRAN.R-project.org/package=docopt)
+
 
 # docopt