Added badge for Black to readme

diff --git a/README.rst b/README.rst
index 07266d737bb2b46c829c28ecb8d54f508420ea89..5e806ad9efe439d258776cb5b409d0b7d21d1346 100755 (executable)
--- a/README.rst
+++ b/README.rst
@@ -13,6 +13,10 @@ Introduction
     :target: https://travis-ci.com/adafruit/Adafruit_Blinka
     :alt: Build Status
 
     :target: https://travis-ci.com/adafruit/Adafruit_Blinka
     :alt: Build Status
 

+.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
+    :target: https://github.com/psf/black
+    :alt: Code Style: Black
+

 This repository contains a selection of packages mirroring the CircuitPython API
 on hosts running micropython. Working code exists to emulate the CircuitPython packages;
 
 This repository contains a selection of packages mirroring the CircuitPython API
 on hosts running micropython. Working code exists to emulate the CircuitPython packages;